{"meta":{"table":"tools","title":"Domain tools","source":"Public tool listings and each tool's own site","as_of":"2026-11-12T22:59:01Z","as_of_is":"the date the directory last copied these records from the lake","licence":"No open licence has been chosen for this dataset yet. Credit ConnectDomain (connectdomain.app) and the named sources when you reuse it, and check each source's own terms. Figures can be late or wrong; unknown values are left empty, never guessed.","site":"https://connectdomain.app","columns":["slug","name","url","category","kind","operator","operator_domain","country","pricing","has_api","has_mcp","has_frontend"],"rows":792},"data":[{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"3DNS","operator":"3DNS","operator_domain":"3dns.box","pricing":"paid","slug":"3dns","url":"https://3dns.box/"},{"category":"DNS hosting and managed DNS","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"5centsCDN","operator":"5centsCDN","operator_domain":"5centscdn.net","pricing":null,"slug":"5centscdn","url":"https://www.5centscdn.net/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@alchemy.run/acme","operator":"alchemy-run","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-alchemy-run-acme","url":"https://www.npmjs.com/package/@alchemy.run/acme"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@anonymitybot/is-educational-email-domain","operator":"anonymitybot","operator_domain":"github.com","pricing":"open_source","slug":"anonymitybot-is-educational-email-domain","url":"https://github.com/anonymitybot/is-educational-email-domain"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@aoxborrow/registrar-client","operator":"aoxborrow","operator_domain":"github.com","pricing":"open_source","slug":"aoxborrow-registrar-client","url":"https://github.com/aoxborrow/registrar-client"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@beesolve/dmarc-dashboard","operator":"beesolve","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-beesolve-dmarc-dashboard","url":"https://www.npmjs.com/package/@beesolve/dmarc-dashboard"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@cdk-cloudformation/cloudflare-dns-record","operator":"cdklabs","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-cdk-cloudformation-cloudflare-dns-record","url":"https://www.npmjs.com/package/@cdk-cloudformation/cloudflare-dns-record"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@cryptotaxcalculator/axios-cached-dns-resolve","operator":"cryptotaxcalculator","operator_domain":"github.com","pricing":"open_source","slug":"cryptotaxcalculator-axios-cached-dns-resolve","url":"https://github.com/cryptotaxcalculator/axios-cached-dns-resolve"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@dakaio/domainscout-mcp","operator":"johndaka","operator_domain":"github.com","pricing":"open_source","slug":"johndaka-domainscout-mcp","url":"https://github.com/johndaka/domainscout-mcp"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@dns-data/remote","operator":"dns-data","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-dns-data-remote","url":"https://www.npmjs.com/package/@dns-data/remote"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@dodomain/connect","operator":"devinosolutions","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-dodomain-connect","url":"https://www.npmjs.com/package/@dodomain/connect"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@dodomain/node","operator":"devinosolutions","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-dodomain-node","url":"https://www.npmjs.com/package/@dodomain/node"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@domainkit/react","operator":"aryalabshq","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-domainkit-react","url":"https://www.npmjs.com/package/@domainkit/react"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@drodil/backstage-plugin-toolbox-backend-module-whois","operator":"drodil","operator_domain":"github.com","pricing":"open_source","slug":"drodil-backstage-plugin-toolbox","url":"https://github.com/drodil/backstage-plugin-toolbox"},{"category":"Appraisal and valuation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@fakerjs/domain","operator":"faker-javascript","operator_domain":"github.com","pricing":"open_source","slug":"faker-javascript-domain","url":"https://github.com/faker-javascript/domain"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@framers/agentos-ext-domain-cloudflare-registrar","operator":"framerslab","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-framers-agentos-ext-domain-cloudflare-registrar","url":"https://www.npmjs.com/package/@framers/agentos-ext-domain-cloudflare-registrar"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@framers/agentos-ext-domain-godaddy","operator":"framerslab","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-framers-agentos-ext-domain-godaddy","url":"https://www.npmjs.com/package/@framers/agentos-ext-domain-godaddy"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@framers/agentos-ext-domain-namecheap","operator":"framerslab","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-framers-agentos-ext-domain-namecheap","url":"https://www.npmjs.com/package/@framers/agentos-ext-domain-namecheap"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@framers/agentos-ext-domain-porkbun","operator":"framerslab","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-framers-agentos-ext-domain-porkbun","url":"https://www.npmjs.com/package/@framers/agentos-ext-domain-porkbun"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@gr8ful/spf","operator":"seesharpguy","operator_domain":"github.com","pricing":"open_source","slug":"seesharpguy-super-portable-software-factory","url":"https://github.com/seesharpguy/super-portable-software-factory"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@guardbee/mcp-dns-intelligence","operator":"guardbee","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-guardbee-mcp-dns-intelligence","url":"https://www.npmjs.com/package/@guardbee/mcp-dns-intelligence"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@guardbee/mcp-ssl-inspector","operator":"guardbee","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-guardbee-mcp-ssl-inspector","url":"https://www.npmjs.com/package/@guardbee/mcp-ssl-inspector"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@hasna/domains","operator":"hasna","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-hasna-domains","url":"https://www.npmjs.com/package/@hasna/domains"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@ip-location-db/geo-whois-asn-country","operator":"sapics","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-ip-location-db-geo-whois-asn-country","url":"https://www.npmjs.com/package/@ip-location-db/geo-whois-asn-country"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@ip-location-db/geo-whois-asn-country-mmdb","operator":"sapics","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-ip-location-db-geo-whois-asn-country-mmdb","url":"https://www.npmjs.com/package/@ip-location-db/geo-whois-asn-country-mmdb"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@layered/dns-records","operator":"layeredstudio","operator_domain":"github.com","pricing":"open_source","slug":"layeredstudio-dns-records","url":"https://github.com/layeredstudio/dns-records"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@onekeyfe/react-native-dns-lookup","operator":"onekeyhq","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-onekeyfe-react-native-dns-lookup","url":"https://www.npmjs.com/package/@onekeyfe/react-native-dns-lookup"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@opencoredev/domain-sdk","operator":"opencoredev","operator_domain":"github.com","pricing":"open_source","slug":"opencoredev-domain-sdk","url":"https://github.com/opencoredev/domain-sdk"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@porkbunllc/mcp-server","operator":"oborseth","operator_domain":"github.com","pricing":"open_source","slug":"oborseth-porkbun-mcp","url":"https://github.com/oborseth/porkbun-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@push.rocks/smartwhois","operator":"lossless","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-push-rocks-smartwhois","url":"https://code.foss.global/push.rocks/smartwhois"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@quasar/ssl-certificate","operator":"quasarframework","operator_domain":"github.com","pricing":"open_source","slug":"quasarframework-quasar","url":"https://github.com/quasarframework/quasar"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@revclamp/b2b-domain-contact-enricher-mcp","operator":"lhphong09t2","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-revclamp-b2b-domain-contact-enricher-mcp","url":"https://www.npmjs.com/package/@revclamp/b2b-domain-contact-enricher-mcp"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@spacefast/domain-search-terminal","operator":"spacefast","operator_domain":"github.com","pricing":"open_source","slug":"spacefast-monorepo","url":"https://github.com/spacefast/monorepo"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@stacksjs/whois","operator":"stacksjs","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-stacksjs-whois","url":"https://www.npmjs.com/package/@stacksjs/whois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@types/whois-json","operator":"definitelytyped","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-types-whois-json","url":"https://www.npmjs.com/package/@types/whois-json"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"@usex/disposable-email-domains","operator":"ali-master","operator_domain":"github.com","pricing":"open_source","slug":"ali-master-disposable-email-domains","url":"https://github.com/ali-master/disposable-email-domains"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@videojs/spf","operator":"videojs","operator_domain":"github.com","pricing":"open_source","slug":"videojs-video-js","url":"https://github.com/videojs/video.js"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"@vouchington/domain-verification","operator":"vouchington","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-vouchington-domain-verification","url":"https://www.npmjs.com/package/@vouchington/domain-verification"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@whisper-security/whisper-mcp","operator":"whisper-sec","operator_domain":"github.com","pricing":"open_source","slug":"whisper-sec-whisper-cli","url":"https://github.com/whisper-sec/whisper-cli"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@whoisxmlapidotcom/mcp-whoisxmlapi","operator":"whoisxmlapi","operator_domain":"github.com","pricing":"open_source","slug":"whoisxmlapi-mcp-whoisxmlapi","url":"https://github.com/whoisxmlapi/mcp-whoisxmlapi"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"@yawlabs/tailscale-mcp","operator":"yawlabs","operator_domain":"github.com","pricing":"open_source","slug":"yawlabs-tailscale-mcp","url":"https://github.com/yawlabs/tailscale-mcp"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"AI-operated. DKIM key reader: free, no key, finds unknown selectors.","operator":"ai.rjhsignaltech.workers.dev","operator_domain":"ai.rjhsignaltech.workers.dev","pricing":null,"slug":"mcp-registry-ai-operated-dkim-key-reader-free-no-key-finds-unknown-selectors","url":"https://ai.rjhsignaltech.workers.dev/dkim"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"AI-operated. Email authentication reader: six free tools, no key, no signup.","operator":"ai.rjhsignaltech.workers.dev","operator_domain":"ai.rjhsignaltech.workers.dev","pricing":null,"slug":"mcp-registry-ai-operated-email-authentication-reader-six-free-tools-no-key-no-si","url":"https://ai.rjhsignaltech.workers.dev/mcp"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"AIYuCha Domain Intelligence","operator":"sinianchu9","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-aiyucha-domain-intelligence","url":"https://github.com/sinianchu9/aiyucha-mcp-server"},{"category":"DNS hosting and managed DNS","country":"AT","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"ANEXIA","operator":"ANEXIA","operator_domain":"anexia.com","pricing":null,"slug":"anexia","url":"https://anexia.com/"},{"category":"WHOIS and RDAP lookup","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"ARIN Whois","operator":"ARIN","operator_domain":"whois.arin.net","pricing":"free","slug":"whois-arin","url":"https://whois.arin.net"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"AWS Certificate Manager","operator":"AWS Certificate Manager","operator_domain":null,"pricing":null,"slug":"n8n-aws-certificate-manager","url":"https://n8n.io/integrations/aws-certificate-manager/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Aback Tools DNS and domain tools","operator":"Aback Tools","operator_domain":"abacktools.com","pricing":"free","slug":"abacktools","url":"https://abacktools.com/de/tools/network/dns-domain-tools"},{"category":"SSL certificates and ACME","country":"IT","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Actalis ACME CA","operator":"Actalis ACME CA","operator_domain":"actalis.com","pricing":"freemium","slug":"actalis-acme","url":"https://www.actalis.com/acme-certificate-authority"},{"category":"Email authentication and deliverability","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Agari (Fortra)","operator":"Agari (Fortra)","operator_domain":"fortra.com","pricing":"paid","slug":"agari","url":"https://www.fortra.com/products/agari"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Agent Domain Search","operator":"agentdomainsearch.com","operator_domain":"agentdomainsearch.com","pricing":null,"slug":"mcp-registry-agent-domain-search","url":"https://agentdomainsearch.com/mcp"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL","operator":"sdn-screen-x402.sdnscreen.workers.dev","operator_domain":"sdn-screen-x402.sdnscreen.workers.dev","pricing":null,"slug":"mcp-registry-agent-preflight-ofac-dns-email-auth-domain-email-url","url":"https://sdn-screen-x402.sdnscreen.workers.dev/llms.txt"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"AgentDiet Domain OSINT, TLS Certificate & Security Headers Recon","operator":"robertoyanguas-ops","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-agentdiet-domain-osint-tls-certificate-security-headers-recon","url":"https://github.com/robertoyanguas-ops/assay"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Akamai Edge DNS","operator":"Akamai Edge DNS","operator_domain":"akamai.com","pricing":"paid","slug":"akamai-edge-dns","url":"https://www.akamai.com/products/edge-dns"},{"category":"DNS hosting and managed DNS","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Alibaba Cloud DNS (AliDNS)","operator":"Alibaba Cloud DNS (AliDNS)","operator_domain":"alibabacloud.com","pricing":"paid","slug":"alibaba-cloud-dns","url":"https://www.alibabacloud.com/help/en/dns"},{"category":"DNS lookup and propagation","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Alibaba Cloud domain diagnostic tool","operator":"Alibaba Cloud","operator_domain":"help.aliyun.com","pricing":"free","slug":"aliyun-domain-diagnosis","url":"https://help.aliyun.com/zh/dns/domaintool"},{"category":"Web3 and alternative-root domains","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"AllDomains","operator":"AllDomains","operator_domain":"alldomains.id","pricing":"paid","slug":"alldomains","url":"https://alldomains.id/"},{"category":"SSL certificates and ACME","country":"RU","has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Angie ACME module","operator":"Angie ACME module","operator_domain":"en.angie.software","pricing":null,"slug":"angie-acme","url":"https://en.angie.software/angie/docs/configuration/modules/http/http_acme/"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Ansible acme_certificate module","operator":"Ansible acme_certificate module","operator_domain":"docs.ansible.com","pricing":"open_source","slug":"ansible-acme-certificate","url":"https://docs.ansible.com/ansible/latest/collections/community/crypto/acme_certificate_module.html"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Apache mod_md","operator":"Apache mod_md","operator_domain":"httpd.apache.org","pricing":null,"slug":"apache-mod-md","url":"https://httpd.apache.org"},{"category":"Domain monitoring and expiry","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"AppNeta","operator":"Broadcom","operator_domain":"broadcom.com","pricing":"paid","slug":"appneta","url":"https://www.broadcom.com/products/software/network-management/appneta"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"API","name":"Appliku custom domains API","operator":"Appliku custom domains API","operator_domain":"docs.appliku.com","pricing":null,"slug":"appliku-custom-domains","url":"https://docs.appliku.com/docs/how-to/automate-custom-domains/"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Approximated","operator":"Approximated","operator_domain":"approximated.app","pricing":"paid","slug":"approximated","url":"https://approximated.app/"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"AstraVerify Domain Trust Check","operator":"astraverify.com","operator_domain":"astraverify.com","pricing":null,"slug":"mcp-registry-astraverify-domain-trust-check","url":"https://astraverify.com/connect"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Attack Surface Intelligence — Certificate Transparency","operator":"Ryan Clinton","operator_domain":"apify.com","pricing":"paid","slug":"apify-ryanclinton-crt-sh-search","url":"https://apify.com/ryanclinton/crt-sh-search"},{"category":"Email authentication and deliverability","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"AutoSPF","operator":"DuoCircle","operator_domain":"autospf.com","pricing":"paid","slug":"autospf","url":"https://autospf.com"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"API","name":"AutoSSL (autossl.co)","operator":"AutoSSL (autossl.co)","operator_domain":"autossl.co","pricing":null,"slug":"autossl-co","url":"https://autossl.co/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Azure DNS","operator":"Azure DNS","operator_domain":"azure.microsoft.com","pricing":"paid","slug":"azure-dns","url":"https://azure.microsoft.com/en-us/services/dns"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"B2B Domain Contact, Email & DNS Enricher MCP | RevClamp ContactPulse","operator":"lhphong09t2","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-b2b-domain-contact-email-dns-enricher-mcp-revclamp-contactpulse","url":"https://github.com/lhphong09t2/revclamp-mcp"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"BBOT","operator":"blacklanternsecurity","operator_domain":"github.com","pricing":"open_source","slug":"bbot","url":"https://github.com/blacklanternsecurity/bbot"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Base Names","operator":"Coinbase","operator_domain":"base.org","pricing":"paid","slug":"base-names","url":"https://www.base.org/names"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"BeVigil","operator":"BeVigil","operator_domain":"bevigil.com","pricing":"freemium","slug":"bevigil","url":"https://bevigil.com/search"},{"category":"URL shorteners and branded links","country":"US","has_api":true,"has_frontend":true,"has_mcp":true,"kind":"Online service","name":"Bitly","operator":"Bitly","operator_domain":"bit.ly","pricing":"freemium","slug":"bitly","url":"https://bit.ly/"},{"category":"DNS hosting and managed DNS","country":"VN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Bizfly Cloud","operator":"Bizfly Cloud","operator_domain":"bizflycloud.vn","pricing":null,"slug":"bizfly-cloud","url":"https://bizflycloud.vn/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"BlackVeil DNS & Email Security Scanner","operator":"madaburns","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-blackveil-dns-email-security-scanner","url":"https://github.com/MadaBurns/bv-mcp"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Blacklist Checker","operator":"Blacklist Checker","operator_domain":"blacklistchecker.com","pricing":"freemium","slug":"blacklistchecker","url":"https://blacklistchecker.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"BlacklistAlert","operator":"BlacklistAlert","operator_domain":"blacklistalert.org","pricing":"free","slug":"blacklistalert","url":"https://www.blacklistalert.org/"},{"category":"Domain monitoring and expiry","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"BlacklistMonitoring","operator":"BlacklistMonitoring","operator_domain":"blacklistmonitoring.com","pricing":"paid","slug":"blacklistmonitoring","url":"https://blacklistmonitoring.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Blockchain DNS","operator":"Firefox user 13228151","operator_domain":"blockchain-dns.info","pricing":null,"slug":"firefox-b-dns","url":"https://addons.mozilla.org/en-US/firefox/addon/b-dns/"},{"category":"Parking and monetisation","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Bodis","operator":"Bodis","operator_domain":"bodis.com","pricing":"free","slug":"bodis","url":"https://www.bodis.com/"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"BrandBucket","operator":"BrandBucket","operator_domain":"brandbucket.com","pricing":"paid","slug":"brandbucket","url":"https://www.brandbucket.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk DNS Records Lookup - A, MX, TXT, NS, CNAME","operator":"Logiover","operator_domain":"apify.com","pricing":"paid","slug":"apify-logiover-bulk-dns-records-lookup","url":"https://apify.com/logiover/bulk-dns-records-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk Domain Availability Checker + WHOIS (RDAP) Lookup","operator":"Bridgeworks","operator_domain":"apify.com","pricing":"free","slug":"apify-bridgeworks-domain-checker","url":"https://apify.com/bridgeworks/domain-checker"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk Domain Checker","operator":"Kawsar","operator_domain":"apify.com","pricing":"paid","slug":"apify-kawsar-bulk-domain-checker","url":"https://apify.com/kawsar/bulk-domain-checker"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk Domain Rating Checker","operator":"DataScraperES","operator_domain":"apify.com","pricing":"paid","slug":"apify-datascraperes-bulk-domain-rating-checker","url":"https://apify.com/datascraperes/bulk-domain-rating-checker"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk Email MX Verifier — Cold Email List Cleaner","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-email-mx-verifier","url":"https://apify.com/automation-lab/email-mx-verifier"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Bulk Sender Lint - Gmail, Yahoo, Outlook","operator":"ReadyStack","operator_domain":null,"pricing":null,"slug":"openvsx-readystack-bulk-sender-lint","url":"https://open-vsx.org/extension/ReadyStack/bulk-sender-lint"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Bulk WHOIS Domain Lookup","operator":"fernandoguiraud16-coder","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-bulk-whois-domain-lookup","url":"https://github.com/fernandoguiraud16-coder/data-tools"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Bulk company domain finder","operator":"unli","operator_domain":"apify.com","pricing":"paid","slug":"apify-unlimitedleadtestinbox-domainapify","url":"https://apify.com/unlimitedleadtestinbox/domainapify"},{"category":"SSL certificates and ACME","country":"NO","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Buypass Go SSL","operator":"Buypass Go SSL","operator_domain":"buypass.com","pricing":null,"slug":"buypass-go-ssl","url":"https://www.buypass.com/products/tls-ssl-certificates/go-ssl"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"CEIPAM DNS Lookup","operator":"CEIPAM","operator_domain":"ceipam.eu","pricing":"free","slug":"ceipam-dns-lookup","url":"https://ceipam.eu/en/dnslookup.php"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"CISA KEV Ransomware CVE, SSL CT Logs & Domain Recon","operator":"jesleytassili-glitch","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-cisa-kev-ransomware-cve-ssl-ct-logs-domain-recon","url":"https://github.com/jesleytassili-glitch/b2b-quant-mcp-n8n-suite"},{"category":"WHOIS and RDAP lookup","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"CNNIC WHOIS","operator":"CNNIC","operator_domain":"webwhois.cnnic.cn","pricing":"free","slug":"cnnic-webwhois","url":"https://webwhois.cnnic.cn/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"CSC Global DNS","operator":"CSC Global DNS","operator_domain":"cscglobal.com","pricing":"paid","slug":"csc-global-dns","url":"https://www.cscglobal.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"CaptainDNS","operator":"CaptainDNS","operator_domain":"captaindns.com","pricing":"free","slug":"captaindns","url":"https://www.captaindns.com/en/tools/dns"},{"category":"Aftermarket and backorder","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"CatchDoms — Expired Domains API","operator":"sambel","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-catchdoms-expired-domains-api","url":"https://github.com/Sambel/catchdoms-mcp"},{"category":"Aftermarket and backorder","country":"NL","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Catched","operator":"Catched","operator_domain":"catched.com","pricing":"paid","slug":"catched","url":"https://catched.com/"},{"category":"Domain monitoring and expiry","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Catchpoint","operator":"Catchpoint","operator_domain":"catchpoint.com","pricing":"paid","slug":"catchpoint","url":"https://www.catchpoint.com/internet-performance-monitoring"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Censys Internet Host Search","operator":"Ryan Clinton","operator_domain":"apify.com","pricing":"paid","slug":"apify-ryanclinton-censys-search","url":"https://apify.com/ryanclinton/censys-search"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Cerast Intelligence","operator":"Cerast","operator_domain":"search.cerast-intelligence.com","pricing":"freemium","slug":"cerast-intelligence","url":"https://search.cerast-intelligence.com/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Cert Lifetime Lint - 200/100/47-Day TLS Audit","operator":"ReadyStack","operator_domain":null,"pricing":null,"slug":"openvsx-readystack-cert-lifetime-lint-47day","url":"https://open-vsx.org/extension/ReadyStack/cert-lifetime-lint-47day"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Cert Lifetime Lint - TLS validity caps 200/100/47","operator":"ReadyStack","operator_domain":null,"pricing":null,"slug":"openvsx-readystack-cert-lifetime-lint","url":"https://open-vsx.org/extension/ReadyStack/cert-lifetime-lint"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"CertKit","operator":"CertKit","operator_domain":"certkit.io","pricing":"freemium","slug":"certkit","url":"https://www.certkit.io/"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"CertKit CT Log Search","operator":"CertKit","operator_domain":"certkit.io","pricing":"free","slug":"certkit-ct-search","url":"https://www.certkit.io/tools/ct-logs/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"CertView: X.509 Certificate Inspector","operator":"gmm","operator_domain":null,"pricing":null,"slug":"openvsx-gmm-certview","url":"https://open-vsx.org/extension/gmm/certview"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Certera","operator":"Certera","operator_domain":"certera.io","pricing":null,"slug":"certera","url":"https://certera.io"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Command-line tool","name":"Certhub","operator":"Certhub","operator_domain":"certhub.io","pricing":null,"slug":"certhub","url":"https://certhub.io/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Certificate Utility","operator":"framedparadox","operator_domain":null,"pricing":null,"slug":"openvsx-framedparadox-certi","url":"https://open-vsx.org/extension/framedparadox/certi"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Certificate expiration","operator":"Johan","operator_domain":null,"pricing":null,"slug":"firefox-certificate-expiration","url":"https://addons.mozilla.org/en-US/firefox/addon/certificate-expiration/"},{"category":"SSL certificates and ACME","country":"AU","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"Certify The Web","operator":"Certify The Web","operator_domain":"certifytheweb.com","pricing":null,"slug":"certify-the-web","url":"https://certifytheweb.com"},{"category":"WHOIS and RDAP lookup","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Chinaz WHOIS (站长之家)","operator":"Chinaz","operator_domain":"whois.chinaz.com","pricing":"free","slug":"chinaz-whois","url":"https://whois.chinaz.com/"},{"category":"DNS hosting and managed DNS","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Civo DNS","operator":"Civo DNS","operator_domain":"civo.com","pricing":null,"slug":"civo-dns","url":"https://www.civo.com"},{"category":"Email authentication and deliverability","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Cloudflare DMARC Management","operator":"Cloudflare","operator_domain":"blog.cloudflare.com","pricing":"free","slug":"cloudflare-dmarc-management","url":"https://blog.cloudflare.com/dmarc-management-ga/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"CloudfloorDNS","operator":"CloudfloorDNS","operator_domain":"cloudfloordns.com","pricing":null,"slug":"cloudfloordns","url":"https://www.cloudfloordns.com/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Columbus Project","operator":"elmasy-com","operator_domain":"github.com","pricing":"open_source","slug":"columbus-project","url":"https://github.com/elmasy-com/columbus"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Company Deep Research — SEC, GitHub, DNS & Social","operator":"Ryan Clinton","operator_domain":"apify.com","pricing":"paid","slug":"apify-ryanclinton-company-deep-research","url":"https://apify.com/ryanclinton/company-deep-research"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Company Domain Finder","operator":"Wild Origins","operator_domain":"apify.com","pricing":"paid","slug":"apify-wildorigins-company-domain-finder","url":"https://apify.com/wildorigins/company-domain-finder"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Company Domain Finder: Name to Official Website","operator":"The Mine Works","operator_domain":"apify.com","pricing":"paid","slug":"apify-themineworks-company-domain-finder","url":"https://apify.com/themineworks/company-domain-finder"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"CompleteDNS DNS History","operator":"CompleteDNS","operator_domain":"completedns.com","pricing":"freemium","slug":"completedns-history","url":"https://completedns.com/dns-history/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Constellix","operator":"Constellix","operator_domain":"constellix.com","pricing":"paid","slug":"constellix","url":"https://constellix.com/"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Contabo","operator":"Contabo","operator_domain":"contabo.com","pricing":null,"slug":"contabo-dns","url":"https://contabo.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Country Flags & IP Whois","operator":"Andy Portmen","operator_domain":"webextension.org","pricing":null,"slug":"firefox-country-flags-ip-whois","url":"https://addons.mozilla.org/en-US/firefox/addon/country-flags-ip-whois/"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Custom Domain API","operator":"sireto","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-custom-domain-api","url":"https://github.com/sireto/custom-domain"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"CyberSPF","operator":"cyberspf.com","operator_domain":"cyberspf.com","pricing":null,"slug":"mcp-registry-cyberspf","url":"https://cyberspf.com"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"D3","operator":"D3 Global","operator_domain":"d3.app","pricing":"paid","slug":"d3","url":"https://d3.app/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DC5 WHOIS","operator":"whois.dc5.tech","operator_domain":"whois.dc5.tech","pricing":null,"slug":"mcp-registry-dc5-whois","url":"https://whois.dc5.tech"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DKIM-Signature tag count, value discarded","operator":"sadri-dridi","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dkim-signature-tag-count-value-discarded","url":"https://github.com/sadri-dridi/named-mcp-utilities"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DMARC Checker","operator":"One Scales","operator_domain":"apify.com","pricing":"paid","slug":"apify-onescales-dmarc-checker","url":"https://apify.com/onescales/dmarc-checker"},{"category":"Email authentication and deliverability","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DMARC Report","operator":"DuoCircle","operator_domain":"dmarcreport.com","pricing":"freemium","slug":"dmarcreport-com","url":"https://dmarcreport.com"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DMARC Shark — Email DNS Checker","operator":"skatkov","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dmarc-shark-email-dns-checker","url":"https://github.com/skatkov/dmarcshark"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DMARCeye","operator":"DMARCeye","operator_domain":"dmarceye.com","pricing":"paid","slug":"dmarceye","url":"https://dmarceye.com/"},{"category":"Portfolio management","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DNMin","operator":"DNMin","operator_domain":"dnmin.com","pricing":"free","slug":"dnmin","url":"https://www.dnmin.com/"},{"category":"Domain monitoring and expiry","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DNS Check (Wind Serve)","operator":"Wind Serve","operator_domain":"dnscheck.co","pricing":"freemium","slug":"dnscheck-co","url":"https://www.dnscheck.co/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNS Checker","operator":"DNS Checker","operator_domain":"dnschecker.org","pricing":"freemium","slug":"dnschecker-org","url":"https://dnschecker.org/"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS Lookup","operator":"Superlative","operator_domain":"apify.com","pricing":"free","slug":"apify-superlativetech-dns-lookup","url":"https://apify.com/superlativetech/dns-lookup"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS Lookup API","operator":"API Ninjas","operator_domain":"api-ninjas.com","pricing":"freemium","slug":"api-ninjas-dnslookup","url":"https://api-ninjas.com/api/dnslookup"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNS Lookup API","operator":"br0ski777","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-lookup-api","url":"https://github.com/Br0ski777/dns-lookup-x402"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS Lookup | Scrape Domain Records & Security Intelligence","operator":"halam","operator_domain":"apify.com","pricing":"paid","slug":"apify-datascoutapi-dns-lookup","url":"https://apify.com/datascoutapi/dns-lookup"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS Lookup – Bulk DNS Records, MX, SPF, DMARC & Reverse DNS","operator":"Cemal Atakli","operator_domain":"apify.com","pricing":"paid","slug":"apify-gazidev-bulk-dns-lookup","url":"https://apify.com/gazidev/bulk-dns-lookup"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNS Lookup — Bulk SPF, DKIM, DMARC & Mail Policy Findings","operator":"kriton-dev","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-lookup-bulk-spf-dkim-dmarc-mail-policy-findings","url":"https://apify.com/hermeskd/dns-and-email-auth"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNS MCP Server","operator":"mclose","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-mcp-server","url":"https://github.com/mclose/dns-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS Record & Whois Lookup","operator":"One Scales","operator_domain":"apify.com","pricing":"paid","slug":"apify-onescales-dns-record-whois-lookup","url":"https://apify.com/onescales/dns-record-whois-lookup"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"DNS Robot — DNS Lookup & Network Tools","operator":"dnsrobot","operator_domain":null,"pricing":null,"slug":"openvsx-dnsrobot-dns-robot","url":"https://open-vsx.org/extension/dnsrobot/dns-robot"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNS Spy","operator":"dnsspy.io","operator_domain":"dnsspy.io","pricing":null,"slug":"mcp-registry-dns-spy","url":"https://dnsspy.io/features/mcp-server"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"DNS lookup API: Intelligence & Security Analyzer","operator":"njoylab","operator_domain":"apify.com","pricing":"paid","slug":"apify-njoylab-apify-dns","url":"https://apify.com/njoylab/apify-dns"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"DNS over HTTPS","operator":"kevin_bolton","operator_domain":null,"pricing":null,"slug":"firefox-dns-over-https","url":"https://addons.mozilla.org/en-US/firefox/addon/dns-over-https/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNS-DATA Remote","operator":"dnsdata","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-data-remote","url":"https://github.com/DNSDATA/dns-data-mcp"},{"category":"DNS lookup and propagation","country":"TR","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Browser extension","name":"DNS-Whois-SSL-Hosting-Lookup-Chrome-Extension","operator":"emrecagri","operator_domain":"github.com","pricing":"open_source","slug":"emrecagri-dns-whois-ssl-hosting-lookup-chrome-extension","url":"https://github.com/emrecagri/DNS-Whois-SSL-Hosting-Lookup-Chrome-Extension"},{"category":"Domain Connect and DNS automation","country":"NO","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"API","name":"DNS.GLOBAL","operator":"DNS.GLOBAL","operator_domain":"dns.global","pricing":"freemium","slug":"dns-global","url":"https://dns.global/"},{"category":"DNS lookup and propagation","country":"DE","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"DNS.WATCH","operator":"DNS.WATCH","operator_domain":"dns.watch","pricing":"free","slug":"dns-watch-resolvers","url":"https://dns.watch"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSCheck","operator":"DNSCheck","operator_domain":"dnscheck.app","pricing":"free","slug":"dnscheck-app","url":"https://dnscheck.app/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DNSDumpster","operator":"HackerTarget","operator_domain":"dnsdumpster.com","pricing":"freemium","slug":"dnsdumpster","url":"https://dnsdumpster.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DNSInspect","operator":"DNSInspect","operator_domain":"dnsinspect.com","pricing":null,"slug":"dnsinspect","url":"https://dnsinspect.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSLeakTest","operator":"DNSLeakTest","operator_domain":"dnsleaktest.com","pricing":"free","slug":"dnsleaktest","url":"https://www.dnsleaktest.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSPropagation","operator":"DNSPropagation","operator_domain":"dnspropagation.net","pricing":"free","slug":"dnspropagation-net","url":"https://dnspropagation.net/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DNSStuff","operator":"DNSstuff","operator_domain":"dnsstuff.com","pricing":"paid","slug":"dnsstuff","url":"https://www.dnsstuff.com"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSWatch","operator":"DNSWatch","operator_domain":"dnswatch.info","pricing":"free","slug":"dnswatch-info","url":"https://www.dnswatch.info/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNSai","operator":"dnsai.com","operator_domain":"app.dnsai.com","pricing":null,"slug":"mcp-registry-dnsai","url":"https://app.dnsai.com/mcp/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DNSai Free DNS Tools","operator":"dnsai.com","operator_domain":"dnsai.com","pricing":null,"slug":"mcp-registry-dnsai-free-dns-tools","url":"https://dnsai.com/api/"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"DNSinfo.xyz IP/Domain Information","operator":"Justus-D","operator_domain":"dnsinfo.xyz","pricing":null,"slug":"firefox-dnsinfo-extension","url":"https://addons.mozilla.org/en-US/firefox/addon/dnsinfo-extension/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSlytics","operator":"DNSlytics","operator_domain":"dnslytics.com","pricing":"freemium","slug":"dnslytics","url":"https://dnslytics.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DNSsy","operator":"DNSsy","operator_domain":"dnssy.com","pricing":"free","slug":"dnssy","url":"http://www.dnssy.com"},{"category":"Aftermarket and backorder","country":"NL","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Dan.com","operator":"Dan.com (GoDaddy)","operator_domain":"dan.com","pricing":"paid","slug":"dan-com","url":"https://dan.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Deep Dig","operator":"Happymagenta","operator_domain":"deepdig.net","pricing":"free","slug":"deep-dig","url":"https://deepdig.net"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DigitalOcean DNS","operator":"DigitalOcean DNS","operator_domain":"digitalocean.com","pricing":null,"slug":"digitalocean-dns","url":"https://www.digitalocean.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Dmarc Spf Audit","operator":"Dawaxwx","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dmarc-spf-audit","url":"https://dmarc-spf-audit.david-cyr.workers.dev/mcp"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DnsGuard","operator":"dnsguard.mike-tusa.workers.dev","operator_domain":"dnsguard.mike-tusa.workers.dev","pricing":null,"slug":"mcp-registry-dnsguard","url":"https://dnsguard.mike-tusa.workers.dev/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomChecker","operator":"domchecker.ru","operator_domain":"domchecker.ru","pricing":null,"slug":"mcp-registry-domchecker","url":"https://domchecker.ru/mcp-server"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DomCop","operator":"DomCop","operator_domain":"domcop.com","pricing":"paid","slug":"domcop","url":"https://www.domcop.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain & Company Intel MCP","operator":"datakoot","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-company-intel-mcp","url":"https://github.com/datakoot/domain-intel-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain & Company Intel MCP","operator":"selflabbs","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-company-intel-mcp-7c90e2","url":"https://github.com/selflabbs/domain-intel-mcp"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain API","operator":"API Ninjas","operator_domain":"api-ninjas.com","pricing":"freemium","slug":"api-ninjas-domain","url":"https://api-ninjas.com/api/domain"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Age Checker","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-domain-age-checker","url":"https://apify.com/automation-lab/domain-age-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Age Checker — Bulk RDAP + WHOIS Lookup","operator":"Arnas","operator_domain":"apify.com","pricing":"paid","slug":"apify-prodiger-domain-age-checker","url":"https://apify.com/prodiger/domain-age-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Age History Checker — WHOIS & Wayback Lookup","operator":"Perry AY","operator_domain":"apify.com","pricing":"paid","slug":"apify-perryay-domain-age-history-checker","url":"https://apify.com/perryay/domain-age-history-checker"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Availability Checker","operator":"One Scales","operator_domain":"apify.com","pricing":"paid","slug":"apify-onescales-domain-availability-checker","url":"https://apify.com/onescales/domain-availability-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Availability Checker — Bulk DNS & WHOIS Lookup","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-domain-availability-checker","url":"https://apify.com/automation-lab/domain-availability-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Availability Checker: Bulk WHOIS Lookup & Domain Age","operator":"Nero-Engine","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-availability-checker-bulk-whois-lookup-domain-age","url":"https://apify.com/nerolabs/domain-whois-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Availability — Bulk RDAP Status, Dates & Nameservers","operator":"kriton-dev","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-availability-bulk-rdap-status-dates-nameservers","url":"https://apify.com/hermeskd/domain-availability"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Availability, Expiry, WHOIS, DNS, IP, ASN, 70+ TLD","operator":"halam","operator_domain":"apify.com","pricing":"paid","slug":"apify-datascoutapi-domaindaddy","url":"https://apify.com/datascoutapi/DomainDaddy"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Check","operator":"stucchi","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-check-8d7716","url":"https://github.com/stucchi/domain-check-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Domain Crawler","operator":"Domain Crawler","operator_domain":"domaincrawler.com","pricing":"freemium","slug":"domaincrawler","url":"https://www.domaincrawler.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Domain Dossier (CentralOps)","operator":"CentralOps","operator_domain":"centralops.net","pricing":"free","slug":"centralops-domain-dossier","url":"https://centralops.net/co/DomainDossier.aspx"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Finder","operator":"sra1phani","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-finder","url":"https://github.com/Sra1Phani/domain-finder"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Health","operator":"modernmustardseed.com","operator_domain":"mcp.modernmustardseed.com","pricing":null,"slug":"mcp-registry-domain-health","url":"https://mcp.modernmustardseed.com/docs/domain-health"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Health Checker","operator":"Tim Zinin","operator_domain":"apify.com","pricing":"paid","slug":"apify-zinin-domain-health-checker","url":"https://apify.com/zinin/domain-health-checker"},{"category":"Aftermarket and backorder","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain History Checker","operator":"Trove Vault","operator_domain":"apify.com","pricing":"paid","slug":"apify-trovevault-domain-history-checker","url":"https://apify.com/trovevault/domain-history-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain History Contact OSINT - Previous Owner + WHOIS History","operator":"Anshuman Atrey","operator_domain":"apify.com","pricing":"paid","slug":"apify-anshumanatrey-domain-history-contact-osint","url":"https://apify.com/anshumanatrey/domain-history-contact-osint"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain History Contact OSINT - Previous Owner + WHOIS History","operator":"anshumanatrey","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-history-contact-osint-previous-owner-whois-history","url":"https://github.com/AnshumanAtrey/domain-history-contact-osint"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Inspector","operator":"Visita Intelligence","operator_domain":"apify.com","pricing":"paid","slug":"apify-visita-domain-inspector","url":"https://apify.com/visita/domain-inspector"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Intelligence","operator":"osiris-technical-institute","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-intelligence","url":"https://github.com/osiris-technical-institute/domain-intelligence-api"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Intelligence","operator":"rafi-siddiq","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-intelligence-157577","url":"https://github.com/Rafi-siddiq/domain-intelligence"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Intelligence API","operator":"br0ski777","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-intelligence-api","url":"https://github.com/Br0ski777/domain-intelligence-x402"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Intelligence Check","operator":"bkeller-research","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-intelligence-check","url":"https://apify.com/brenton8907/domain-intel-check"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Intelligence Scraper","operator":"Ben","operator_domain":"apify.com","pricing":"paid","slug":"apify-benthepythondev-domain-intelligence-scraper","url":"https://apify.com/benthepythondev/domain-intelligence-scraper"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Intelligence Scraper","operator":"Matvey","operator_domain":"apify.com","pricing":"paid","slug":"apify-lergassy-domain-intelligence-scraper","url":"https://apify.com/lergassy/domain-intelligence-scraper"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Lab","operator":"domainlab-app","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-lab","url":"https://github.com/domainlab-app/domain-lab-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Lead Qualifier – WHOIS + DNS Email-Readiness Score","operator":"Emiliano Mastragostino","operator_domain":"apify.com","pricing":"paid","slug":"apify-emastra-domain-intelligence","url":"https://apify.com/emastra/domain-intelligence"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Liveness","operator":"modelcontextprotocol","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-liveness","url":"https://github.com/modelcontextprotocol/registry"},{"category":"Domain monitoring and expiry","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Monitor","operator":"jasoncbraatz","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-monitor","url":"https://github.com/jasoncbraatz/domain-monitor-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain RDAP MCP","operator":"lulu-the-narwhal","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-rdap-mcp","url":"https://github.com/Lulu-The-Narwhal/lulu-platform"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Security","operator":"ortamarco","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-security","url":"https://github.com/OrtaMarco/domain-security-mcp-server"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Security & Email Deliverability — DNS, SPF, DMARC, DKIM","operator":"Ryan Clinton","operator_domain":"apify.com","pricing":"paid","slug":"apify-ryanclinton-dns-record-lookup","url":"https://apify.com/ryanclinton/dns-record-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Sentinel","operator":"domain-sentinel.com","operator_domain":"domain-sentinel.com","pricing":null,"slug":"mcp-registry-domain-sentinel","url":"https://www.domain-sentinel.com/en/mcp"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Setup for Cold Email","operator":"anasmughal239-alt","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-setup-for-cold-email","url":"https://github.com/anasmughal239-alt/domain-setup-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Tools","operator":"modelcontextprotocol","operator_domain":"github.com","pricing":null,"slug":"modelcontextprotocol-servers","url":"https://github.com/modelcontextprotocol/servers"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain Trust Check (DNS, Email Auth, TLS, Headers)","operator":"pcp183","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-trust-check-dns-email-auth-tls-headers","url":"https://github.com/pcp183/domain-check"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain Typosquatting Checker — Phishing Lookalike Scanner","operator":"Daniel Carter","operator_domain":"apify.com","pricing":"paid","slug":"apify-ntriqpro-dnstwist-osint","url":"https://apify.com/ntriqpro/dnstwist-osint"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain WHOIS & DNS Lookup - Bulk Domain Intelligence","operator":"NanoScrape","operator_domain":"apify.com","pricing":"paid","slug":"apify-santamaria-automations-domain-whois-dns","url":"https://apify.com/santamaria-automations/domain-whois-dns"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Domain WHOIS Lookup - Age, Expiry, Registrar, DNS","operator":"George Kioko","operator_domain":"apify.com","pricing":"paid","slug":"apify-george-the-developer-domain-whois-lookup","url":"https://apify.com/george.the.developer/domain-whois-lookup"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domain availability and quotes (demo)","operator":"alexar76","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-availability-and-quotes-demo","url":"https://github.com/alexar76/domain-operator-kit"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Browser extension","name":"Domain-Scanner","operator":"ByteObsidian","operator_domain":"github.com","pricing":"open_source","slug":"byteobsidian-domain-scanner","url":"https://github.com/ByteObsidian/Domain-Scanner"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainAge","operator":"domainage.mike-tusa.workers.dev","operator_domain":"domainage.mike-tusa.workers.dev","pricing":null,"slug":"mcp-registry-domainage","url":"https://domainage.mike-tusa.workers.dev/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainCanary","operator":"domaincanary.com","operator_domain":"domaincanary.com","pricing":null,"slug":"mcp-registry-domaincanary","url":"https://domaincanary.com/guides/check-your-domain-from-chatgpt-or-claude"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainCat","operator":"domaincat.app","operator_domain":"domaincat.app","pricing":null,"slug":"mcp-registry-domaincat","url":"https://domaincat.app/docs"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainCheck","operator":"youraitools.co","operator_domain":"youraitools.co","pricing":null,"slug":"mcp-registry-domaincheck","url":"https://youraitools.co/guides/domain-email-verification-api"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainDNA","operator":"cybermax.cybermax-tools.workers.dev","operator_domain":"cybermaxtools.com","pricing":null,"slug":"mcp-registry-domaindna","url":"https://cybermaxtools.com/store/domaindna-api/?s=mcp-registry-domaindna-api"},{"category":"Portfolio management","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DomainDetails Portfolio","operator":"DomainDetails","operator_domain":"portfolio.domaindetails.com","pricing":"freemium","slug":"domaindetails-portfolio","url":"https://portfolio.domaindetails.com/"},{"category":"Portfolio management","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DomainIQ","operator":"DomainIQ","operator_domain":"domainiq.com","pricing":"paid","slug":"domainiq","url":"https://www.domainiq.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainKit","operator":"olsols4","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domainkit","url":"https://github.com/OlsOls4/webkit-api"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainKits","operator":"abtdomain","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domainkits","url":"https://github.com/ABTdomain/domainkits-mcp"},{"category":"Portfolio management","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"DomainMOD","operator":"DomainMOD","operator_domain":"domainmod.org","pricing":"open_source","slug":"domainmod","url":"https://domainmod.org/"},{"category":"Portfolio management","country":"IN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"DomainPunch","operator":"Softnik Technologies","operator_domain":"domainpunch.com","pricing":"paid","slug":"domainpunch","url":"https://www.domainpunch.com/"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainROC Domain Advisor","operator":"sinianchu9","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domainroc-domain-advisor","url":"https://github.com/sinianchu9/domainroc-mcp-server"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainRef - domain and email security check","operator":"domainref.dev","operator_domain":"domainref.dev","pricing":null,"slug":"mcp-registry-domainref-domain-and-email-security-check","url":"https://domainref.dev"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"DomainSpace","operator":"domainspace.si","operator_domain":"domainspace.si","pricing":null,"slug":"mcp-registry-domainspace","url":"https://domainspace.si/agents"},{"category":"Aftermarket and backorder","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"DomainTools Drop Club","operator":"DomainTools","operator_domain":"domaintools.com","pricing":"paid","slug":"domaintools-drop","url":"https://www.domaintools.com/"},{"category":"Domain search and name generators","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"DomainWheel","operator":"DomainWheel","operator_domain":"domainwheel.com","pricing":"free","slug":"domainwheel","url":"https://domainwheel.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Domains","operator":"pipeworx-io","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domains","url":"https://github.com/pipeworx-io/mcp-domains"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Domains Project","operator":"Domains Project","operator_domain":"domainsproject.org","pricing":"freemium","slug":"domainsproject-org","url":"https://www.domainsproject.org/"},{"category":"Domain search and name generators","country":"IT","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"API","name":"DomainsBot","operator":"DomainsBot","operator_domain":"domainsbot.com","pricing":"paid","slug":"domainsbot","url":"https://www.domainsbot.com/"},{"category":"Domain monitoring and expiry","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Dotcom-Monitor DNS monitoring","operator":"Dotcom-Monitor","operator_domain":"dotcom-monitor.com","pricing":"paid","slug":"dotcom-monitor","url":"https://www.dotcom-monitor.com/solutions/infrastructure-monitoring/dns/"},{"category":"URL shorteners and branded links","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Dub","operator":"Dub","operator_domain":"dub.co","pricing":"freemium","slug":"dub-co","url":"https://dub.co/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Dynu","operator":"Dynu","operator_domain":"dynu.com","pricing":null,"slug":"dynu","url":"https://www.dynu.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Easy DNS lookup","operator":"wesinator","operator_domain":null,"pricing":null,"slug":"firefox-easy-dns-lookup","url":"https://addons.mozilla.org/en-US/firefox/addon/easy-dns-lookup/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Easy Whois","operator":"Easy Whois","operator_domain":"easywhois.com","pricing":"free","slug":"easywhois","url":"https://www.easywhois.com"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"EasyDMARC","operator":"EasyDMARC","operator_domain":"easydmarc.com","pricing":"freemium","slug":"easydmarc","url":"https://easydmarc.com/"},{"category":"DNS hosting and managed DNS","country":"FR","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"EfficientIP","operator":"EfficientIP","operator_domain":"efficientip.com","pricing":null,"slug":"efficientip","url":"https://efficientip.com/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Email & Subdomain Finder - theHarvester OSINT | 54 Sources","operator":"Anshuman Atrey","operator_domain":"apify.com","pricing":"paid","slug":"apify-anshumanatrey-theharvester-osint","url":"https://apify.com/anshumanatrey/theharvester-osint"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Email Domain Blacklist Checker","operator":"Trove Vault","operator_domain":"apify.com","pricing":"paid","slug":"apify-trovevault-email-domain-blacklist-checker","url":"https://apify.com/trovevault/email-domain-blacklist-checker"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Email OSINT Lookup — Accounts, Profiles & Domain Footprint","operator":"Daniel Carter","operator_domain":"apify.com","pricing":"paid","slug":"apify-ntriqpro-osint-recon-suite","url":"https://apify.com/ntriqpro/osint-recon-suite"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Enterno.io","operator":"Enterno","operator_domain":"enterno.io","pricing":"freemium","slug":"enterno-io","url":"https://enterno.io/"},{"category":"Appraisal and valuation","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Estibot","operator":"Estibot","operator_domain":"estibot.com","pricing":"freemium","slug":"estibot","url":"https://www.estibot.com/"},{"category":"DNS hosting and managed DNS","country":"CH","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Exoscale DNS","operator":"Exoscale DNS","operator_domain":"exoscale.com","pricing":null,"slug":"exoscale-dns","url":"https://www.exoscale.com/dns/"},{"category":"Aftermarket and backorder","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Expired & Dropped Domains — Daily List by TLD | $1.20/1K","operator":"Nogards","operator_domain":"apify.com","pricing":"paid","slug":"apify-nogards95-domain-drop-monitor-scraper","url":"https://apify.com/nogards95/domain-drop-monitor-scraper"},{"category":"Aftermarket and backorder","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Expired Domains Scraper","operator":"Iqbal R","operator_domain":"apify.com","pricing":"paid","slug":"apify-ib4ngz-expired-domains-scraper","url":"https://apify.com/ib4ngz/expired-domains-scraper"},{"category":"Aftermarket and backorder","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Expired Domains Spider","operator":"GetDataForMe","operator_domain":"apify.com","pricing":"paid","slug":"apify-getdataforme-expired-domains-spider","url":"https://apify.com/getdataforme/expired-domains-spider"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"ExpiredDomains.net","operator":"ExpiredDomains.net","operator_domain":"expireddomains.net","pricing":"freemium","slug":"expireddomains-net","url":"https://www.expireddomains.net/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"F5 Distributed Cloud DNS","operator":"F5 Distributed Cloud DNS","operator_domain":"f5.com","pricing":null,"slug":"f5-distributed-cloud-dns","url":"https://www.f5.com/"},{"category":"Domain Connect and DNS automation","country":"NO","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"FENO AS","operator":"FENO AS","operator_domain":"feno.no","pricing":null,"slug":"feno-as","url":"https://feno.no/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Fairverra Domains","operator":"fairverra.com","operator_domain":"fairverra.com","pricing":null,"slug":"mcp-registry-fairverra-domains","url":"https://fairverra.com"},{"category":"Certificate transparency and recon","country":"IN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"FinalRecon","operator":"thewhiteh4t","operator_domain":"github.com","pricing":"open_source","slug":"thewhiteh4t-finalrecon","url":"https://github.com/thewhiteh4t/FinalRecon"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Findomain","operator":"Findomain","operator_domain":"github.com","pricing":"open_source","slug":"findomain","url":"https://github.com/Findomain/Findomain"},{"category":"Aftermarket and backorder","country":"AU","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Flippa","operator":"Flippa","operator_domain":"flippa.com","pricing":"paid","slug":"flippa","url":"https://flippa.com/"},{"category":"Custom domains for SaaS","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Fly.io custom domains and certificates","operator":"Fly.io custom domains and certificates","operator_domain":"fly.io","pricing":null,"slug":"fly-io-custom-domain-certs","url":"https://fly.io/docs/networking/custom-domains-with-fly"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Fraudmarc Community Edition","operator":"Fraudmarc","operator_domain":"fraudmarc.com","pricing":"open_source","slug":"fraudmarc","url":"https://www.fraudmarc.com"},{"category":"SSL certificates and ACME","country":"CN","has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"FreeSSL.tech Auto","operator":"FreeSSL.tech Auto","operator_domain":"freessl.tech","pricing":null,"slug":"freessl-tech","url":"https://freessl.tech"},{"category":"Web3 and alternative-root domains","country":"CH","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Freename","operator":"Freename AG","operator_domain":"freename.com","pricing":"paid","slug":"freename","url":"https://freename.com/"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"FreshDrop","operator":"FreshDrop","operator_domain":"freshdrop.com","pricing":"freemium","slug":"freshdrop","url":"https://www.freshdrop.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Front Sentinel","operator":"frontsentinel.com","operator_domain":"frontsentinel.com","pricing":null,"slug":"mcp-registry-front-sentinel","url":"https://frontsentinel.com/mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Frostbyte MCP","operator":"ozorown","operator_domain":"github.com","pricing":null,"slug":"ozorown-frostbyte-mcp","url":"https://github.com/ozorown/frostbyte-mcp"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"FullHunt","operator":"FullHunt","operator_domain":"fullhunt.io","pricing":"freemium","slug":"fullhunt","url":"https://fullhunt.io/"},{"category":"DNS lookup and propagation","country":"US","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"GRC DNS Benchmark","operator":"Gibson Research Corporation","operator_domain":"grc.com","pricing":"free","slug":"grc-dns-benchmark","url":"https://www.grc.com/dns/benchmark.htm"},{"category":"DNS hosting and managed DNS","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"GSLB.me","operator":"GSLB.me","operator_domain":"gslb.me","pricing":null,"slug":"gslb-me","url":"https://gslb.me/"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"API","name":"Geekflare DNS Lookup API","operator":"Geekflare","operator_domain":"geekflare.com","pricing":"paid","slug":"geekflare-dns-lookup-api","url":"https://geekflare.com/dnsrecord/"},{"category":"Parking and monetisation","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Giant Panda","operator":"Giant Panda","operator_domain":"giantpanda.com","pricing":"paid","slug":"giant-panda","url":"https://giantpanda.com/"},{"category":"DNS hosting and managed DNS","country":"IT","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Gidinet","operator":"Gidinet","operator_domain":"gidinet.com","pricing":null,"slug":"gidinet","url":"https://www.gidinet.com/"},{"category":"DNS hosting and managed DNS","country":"SE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"GleSYS","operator":"GleSYS","operator_domain":"glesys.com","pricing":null,"slug":"glesys","url":"https://glesys.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Global DNS Propagation Checker (gdnspc)","operator":"gdnspc","operator_domain":"gdnspc.com","pricing":"free","slug":"gdnspc","url":"https://www.gdnspc.com/"},{"category":"SSL certificates and ACME","country":"BE","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"GlobalSign","operator":"GlobalSign","operator_domain":"globalsign.com","pricing":"paid","slug":"globalsign","url":"https://www.globalsign.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"GlockApps","operator":"GlockApps","operator_domain":"glockapps.com","pricing":"paid","slug":"glockapps","url":"https://glockapps.com"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Go autocert","operator":"Go autocert","operator_domain":"godoc.org","pricing":null,"slug":"autocert","url":"https://godoc.org/golang.org/x/crypto/acme/autocert"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"GoDaddy","operator":"GoDaddy","operator_domain":null,"pricing":null,"slug":"claude-connector-godaddy","url":"https://claude.com/marketplace/connectors/godaddy"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"GoMain","operator":"gomain.ai","operator_domain":"gomain.ai","pricing":null,"slug":"mcp-registry-gomain","url":"https://gomain.ai"},{"category":"DNS lookup and propagation","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Google Public DNS lookup (dns.google)","operator":"Google","operator_domain":"dns.google","pricing":"free","slug":"dns-google","url":"https://dns.google/"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"API","name":"Google Trust Services public CA (ACME)","operator":"Google Trust Services public CA (ACME)","operator_domain":"pki.goog","pricing":"free","slug":"google-trust-services-acme","url":"https://pki.goog/"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"GuardHawk — Domain Security Audit: SSL, DNS, Takeover Risk","operator":"Hitman studio","operator_domain":"apify.com","pricing":"paid","slug":"apify-inexhaustible-glass-domain-health-audit","url":"https://apify.com/inexhaustible_glass/domain-health-audit"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Handshake","operator":"Handshake","operator_domain":"handshake.org","pricing":"open_source","slug":"handshake","url":"https://handshake.org/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"HarvestHawk — URL Archive + Subdomain Takeover Scanner","operator":"Hitman studio","operator_domain":"apify.com","pricing":"paid","slug":"apify-inexhaustible-glass-url-harvester","url":"https://apify.com/inexhaustible_glass/url-harvester"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Hetzner DNS","operator":"ni-c","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-hetzner-dns","url":"https://github.com/ni-c/hetzner-dns-mcp"},{"category":"DNS hosting and managed DNS","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Huawei Cloud DNS","operator":"Huawei Cloud DNS","operator_domain":"huaweicloud.com","pricing":"paid","slug":"huawei-cloud-dns","url":"https://www.huaweicloud.com/intl/en-us/product/dns.html"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"HugeDomains","operator":"HugeDomains","operator_domain":"hugedomains.com","pricing":"paid","slug":"hugedomains","url":"https://www.hugedomains.com/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Hurricane Electric Free DNS (dns.he.net)","operator":"Hurricane Electric Free DNS (dns.he.net)","operator_domain":"dns.he.net","pricing":"paid","slug":"hurricane-electric-dns","url":"https://dns.he.net/"},{"category":"Certificate transparency and recon","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Hybrid Analysis","operator":"CrowdStrike","operator_domain":"hybrid-analysis.com","pricing":"freemium","slug":"hybrid-analysis","url":"https://www.hybrid-analysis.com"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"HypeStat","operator":"HypeStat","operator_domain":"hypestat.com","pricing":"free","slug":"hypestat","url":"https://www.hypestat.com"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"IBM Cloud DNS (SoftLayer)","operator":"IBM Cloud DNS (SoftLayer)","operator_domain":"cloud.ibm.com","pricing":null,"slug":"ibm-cloud-dns","url":"https://cloud.ibm.com/"},{"category":"Domain APIs and datasets","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"ICANN CZDS (Centralized Zone Data Service)","operator":"ICANN","operator_domain":"icann.org","pricing":"free","slug":"icann-czds","url":"https://czds.icann.org/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"IDigiTrust SSL Toolkit","operator":"mintreetech","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-idigitrust-ssl-toolkit","url":"https://github.com/Mintreetech/ssl-toolkit-mcp"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"IONOS DNS","operator":"IONOS DNS","operator_domain":"ionos.com","pricing":"paid","slug":"ionos-dns","url":"https://www.ionos.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"IP WHOIS & Inspector","operator":"Visita Intelligence","operator_domain":"apify.com","pricing":"paid","slug":"apify-visita-ip-whois-inspector","url":"https://apify.com/visita/ip-whois-inspector"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"IPVoid","operator":"NoVirusThanks","operator_domain":"ipvoid.com","pricing":"free","slug":"ipvoid","url":"https://www.ipvoid.com"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"ISP.Tools","operator":"ISP.Tools","operator_domain":"isp.tools","pricing":"free","slug":"isp-tools","url":"https://www.isp.tools"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"IWANTTOOLS SPFToolbox","operator":"IWANTTOOLS","operator_domain":"iwanttools.com","pricing":"free","slug":"iwanttools-spftoolbox","url":"https://iwanttools.com/spftoolbox/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Infoblox","operator":"Infoblox","operator_domain":"infoblox.com","pricing":null,"slug":"infoblox","url":"https://www.infoblox.com/"},{"category":"DNS hosting and managed DNS","country":"CH","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Infomaniak DNS","operator":"Infomaniak DNS","operator_domain":"infomaniak.com","pricing":"paid","slug":"infomaniak-dns","url":"https://www.infomaniak.com/"},{"category":"DNS lookup and propagation","country":"FR","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"InternetTest","operator":"Leo-Corporation","operator_domain":"github.com","pricing":"open_source","slug":"leo-corporation-internettest","url":"https://github.com/Leo-Corporation/InternetTest"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"IntoDNS.ai DNS & Email Security Scanner","operator":"rosconl","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-intodns-ai-dns-email-security-scanner","url":"https://github.com/RoscoNL/intodns-mcp-server"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"Ip2whois","operator":"Ip2whois","operator_domain":null,"pricing":null,"slug":"composio-ip2whois","url":"https://composio.dev/toolkits/ip2whois"},{"category":"Aftermarket and backorder","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Juming (聚名网)","operator":"Juming","operator_domain":"juming.com","pricing":"paid","slug":"juming","url":"https://www.juming.com/"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Knockpy","operator":"guelfoweb","operator_domain":"github.com","pricing":"open_source","slug":"knockpy","url":"https://github.com/guelfoweb/knock"},{"category":"Open-source DNS tools","country":"CZ","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Knot DNS","operator":"CZ.NIC","operator_domain":"nic.cz","pricing":"open_source","slug":"knot-dns","url":"https://www.knot-dns.cz/"},{"category":"Domain search and name generators","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Lean Domain Search","operator":"Automattic","operator_domain":"leandomainsearch.com","pricing":"free","slug":"lean-domain-search","url":"https://leandomainsearch.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Learn and Test DMARC","operator":"UriPorts","operator_domain":"learndmarc.com","pricing":"free","slug":"learndmarc","url":"https://learndmarc.com/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Lego","operator":"Lego","operator_domain":"go-acme.github.io","pricing":"open_source","slug":"lego-acme","url":"https://go-acme.github.io/lego/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Linode (Akamai Cloud) DNS","operator":"Linode (Akamai Cloud) DNS","operator_domain":"linode.com","pricing":null,"slug":"linode-akamai-dns","url":"https://www.linode.com/docs/products/networking/dns-manager/"},{"category":"DNS hosting and managed DNS","country":"SE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Loopia","operator":"Loopia","operator_domain":"loopia.se","pricing":null,"slug":"loopia-dns","url":"https://www.loopia.se/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"LuaDNS","operator":"LuaDNS","operator_domain":"luadns.com","pricing":null,"slug":"luadns","url":"https://www.luadns.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"LumaDock free DNS checker","operator":"LumaDock","operator_domain":"lumadock.com","pricing":"free","slug":"lumadock-dns-checker","url":"https://lumadock.com/web-hosting-tools/free-dns-checker"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"MCP Cloudflare DNS","operator":"apexradius","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-mcp-cloudflare-dns","url":"https://github.com/apexradius/mcp-cloudflare-dns"},{"category":"DNS hosting and managed DNS","country":"NL","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"MIRhosting","operator":"MIRhosting","operator_domain":"mirhosting.com","pricing":null,"slug":"mirhosting","url":"https://www.mirhosting.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"MX Lookup API","operator":"API Ninjas","operator_domain":"api-ninjas.com","pricing":"freemium","slug":"api-ninjas-mxlookup","url":"https://api-ninjas.com/api/mxlookup"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"MX Record Checker","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-mx-record-checker","url":"https://apify.com/automation-lab/mx-record-checker"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"MailFixIt","operator":"MailFixIt","operator_domain":"mailfixit.io","pricing":"free","slug":"mailfixit","url":"https://mailfixit.io"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"MailTester","operator":"MailTester","operator_domain":"mailtester.com","pricing":"free","slug":"mailtester-com","url":"https://mailtester.com"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"MailerCheck DMARC monitoring","operator":"MailerCheck","operator_domain":"mailercheck.com","pricing":"freemium","slug":"mailercheck-dmarc","url":"https://www.mailercheck.com"},{"category":"Domain Connect and DNS automation","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Mailjet (Domain Connect service provider)","operator":"Mailjet (Domain Connect service provider)","operator_domain":"mailjet.com","pricing":null,"slug":"mailjet-domain-connect","url":"https://www.mailjet.com/"},{"category":"Domain APIs and datasets","country":"GB","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Majestic Million","operator":"Majestic","operator_domain":"majestic.com","pricing":"free","slug":"majestic-million","url":"https://majestic.com/reports/majestic-million"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"MarkMonitor WHOIS","operator":"MarkMonitor","operator_domain":"whois-webform.markmonitor.com","pricing":"free","slug":"markmonitor-whois","url":"https://whois-webform.markmonitor.com/whois/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Merklemap","operator":"Merklemap","operator_domain":"merklemap.com","pricing":"freemium","slug":"merklemap","url":"https://www.merklemap.com/"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Mimecast DMARC Analyzer","operator":"Mimecast","operator_domain":"mimecast.com","pricing":"paid","slug":"mimecast-dmarc-analyzer","url":"https://www.mimecast.com/"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Moz Scraper: Domain Authority","operator":"Maxime Dupré","operator_domain":"apify.com","pricing":"paid","slug":"apify-maximedupre-moz-scraper","url":"https://apify.com/maximedupre/moz-scraper"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"MultiRBL","operator":"valli.org","operator_domain":"multirbl.valli.org","pricing":"free","slug":"multirbl","url":"https://multirbl.valli.org/dnsbl-lookup"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"MuuMuu Domain byGMO Pepabo","operator":"MuuMuu Domain byGMO Pepabo","operator_domain":null,"pricing":null,"slug":"claude-connector-muumuu-domain","url":"https://claude.com/marketplace/connectors/muumuu-domain"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"Mx toolbox","operator":"Mx toolbox","operator_domain":null,"pricing":null,"slug":"composio-mx-toolbox","url":"https://composio.dev/toolkits/mx_toolbox"},{"category":"DNS lookup and propagation","country":"CN","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"MyIP","operator":"jason5ng32","operator_domain":"github.com","pricing":"open_source","slug":"jason5ng32-myip","url":"https://github.com/jason5ng32/MyIP"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Myra Security","operator":"Myra Security","operator_domain":"myrasecurity.com","pricing":null,"slug":"myra-security","url":"https://www.myrasecurity.com/"},{"category":"DNS hosting and managed DNS","country":"KR","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"NAVER Cloud Platform DNS","operator":"NAVER Cloud Platform DNS","operator_domain":"ncloud.com","pricing":null,"slug":"naver-cloud-dns","url":"https://www.ncloud.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"NS Lookup - DNS Analysis","operator":"PlanetHoster","operator_domain":"ns-lookup.io","pricing":null,"slug":"firefox-ns-lookup-dns-analysis","url":"https://addons.mozilla.org/en-US/firefox/addon/ns-lookup-dns-analysis/"},{"category":"Domain monitoring and expiry","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Nagios DNS monitoring","operator":"Nagios","operator_domain":"nagios.com","pricing":"paid","slug":"nagios-dns","url":"https://www.nagios.com/solutions/dns-monitoring/"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Name Brewery Domain Checker","operator":"namebrewery.com","operator_domain":"namebrewery.com","pricing":null,"slug":"mcp-registry-name-brewery-domain-checker","url":"https://namebrewery.com/mcp"},{"category":"Appraisal and valuation","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"NameBio","operator":"NameBio","operator_domain":"namebio.com","pricing":"freemium","slug":"namebio","url":"https://namebio.com/"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"NamePros","operator":"NamePros","operator_domain":"namepros.com","pricing":"free","slug":"namepros","url":"https://www.namepros.com/"},{"category":"Domain search and name generators","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"NameStation","operator":"NameStation","operator_domain":"namestation.com","pricing":"free","slug":"namestation","url":"https://namestation.com/"},{"category":"Appraisal and valuation","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"NameWorth","operator":"NameWorth","operator_domain":"nameworth.com","pricing":"free","slug":"nameworth","url":"https://nameworth.com/"},{"category":"Web3 and alternative-root domains","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Namebase","operator":"Namebase","operator_domain":"namebase.io","pricing":"free","slug":"namebase","url":"https://www.namebase.io/"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Namecoin","operator":"Namecoin","operator_domain":"namecoin.org","pricing":"paid","slug":"namecoin","url":"https://www.namecoin.org/"},{"category":"Domain search and name generators","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Namelix","operator":"Brandmark","operator_domain":"namelix.com","pricing":"free","slug":"namelix","url":"https://namelix.com/"},{"category":"Certificate transparency and recon","country":"GB","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Netcraft Site Report","operator":"Netcraft","operator_domain":"toolbar.netcraft.com","pricing":"free","slug":"netcraft-site-report","url":"https://toolbar.netcraft.com/site_report"},{"category":"DNS hosting and managed DNS","country":"SE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Netnod DNS","operator":"Netnod DNS","operator_domain":"netnod.se","pricing":null,"slug":"netnod-dns","url":"https://www.netnod.se/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Networking Toolbox","operator":"as93","operator_domain":"networking-toolbox.as93.net","pricing":"open_source","slug":"networking-toolbox","url":"https://networking-toolbox.as93.net/"},{"category":"DNS lookup and propagation","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Nexcess DNS Checker","operator":"Nexcess","operator_domain":"nexcess.net","pricing":"free","slug":"nexcess-dns-checker","url":"https://www.nexcess.net/web-tools/dns-checker/"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"NirSoft DNSQuerySniffer","operator":"NirSoft","operator_domain":"nirsoft.net","pricing":"free","slug":"nirsoft-dnsquerysniffer","url":"http://www.nirsoft.net/utils/dns_query_sniffer.html"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"No-IP","operator":"No-IP","operator_domain":"noip.com","pricing":null,"slug":"no-ip","url":"https://www.noip.com/"},{"category":"Domain Connect and DNS automation","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"API","name":"Novu domain auto-configuration API","operator":"Novu domain auto-configuration API","operator_domain":"docs.novu.co","pricing":null,"slug":"novu-domain-autoconfig","url":"https://docs.novu.co/api-reference/domains/retrieve-auto-configuration-availability"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"NsLookup — Find DNS Records","operator":"Ruurtjan Pul","operator_domain":"nslookup.io","pricing":null,"slug":"firefox-nslookup","url":"https://addons.mozilla.org/en-US/firefox/addon/nslookup/"},{"category":"Certificate transparency and recon","country":"FR","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"ONYPHE","operator":"ONYPHE","operator_domain":"search.onyphe.io","pricing":"freemium","slug":"onyphe","url":"https://search.onyphe.io/"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"OSINT Website Intelligence Analyzer","operator":"One Scales","operator_domain":"apify.com","pricing":"paid","slug":"apify-onescales-website-intelligence-analyzer-osint","url":"https://apify.com/onescales/website-intelligence-analyzer-osint"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"OSIR Domain Registrar","operator":"osir-inc","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-osir-domain-registrar","url":"https://github.com/Osir-Inc/mcp-a2a"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"OWASP Amass","operator":"OWASP","operator_domain":"github.com","pricing":"open_source","slug":"amass","url":"https://github.com/OWASP/Amass"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Odys Global","operator":"Odys Global","operator_domain":"odysglobal.com","pricing":"paid","slug":"odys-global","url":"https://odysglobal.com/"},{"category":"Certificate transparency and recon","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"OneForAll","operator":"shmilylty","operator_domain":"github.com","pricing":"open_source","slug":"shmilylty-oneforall","url":"https://github.com/shmilylty/OneForAll"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Open DMARC Analyzer","operator":"open source","operator_domain":"github.com","pricing":"open_source","slug":"open-dmarc-analyzer","url":"https://github.com/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"OpenBSD acme-client","operator":"OpenBSD acme-client","operator_domain":"man.openbsd.org","pricing":null,"slug":"openbsd-acme-client","url":"https://man.openbsd.org/acme-client.1"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"OpenNIC","operator":"OpenNIC","operator_domain":"opennic.org","pricing":"paid","slug":"opennic","url":"https://www.opennic.org/"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"OpenOSINT Domain Recon — Email Security & Attack Surface Check","operator":"Tommaso Bertocchi","operator_domain":"apify.com","pricing":"paid","slug":"apify-complete-analogy-openosint-domain-recon","url":"https://apify.com/complete_analogy/openosint-domain-recon"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"OpenPhish","operator":"OpenPhish","operator_domain":"openphish.com","pricing":"freemium","slug":"openphish","url":"https://www.openphish.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"OpenRDAP","operator":"OpenRDAP","operator_domain":"openrdap.org","pricing":"open_source","slug":"openrdap","url":"https://www.openrdap.org/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Oracle Cloud DNS","operator":"Oracle Cloud DNS","operator_domain":"docs.cloud.oracle.com","pricing":null,"slug":"oracle-cloud-dns","url":"https://docs.cloud.oracle.com/iaas/Content/DNS/Concepts/dnszonemanagement.htm"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"OrbitFour","operator":"orbitfour.com","operator_domain":"orbitfour.com","pricing":null,"slug":"mcp-registry-orbitfour","url":"https://www.orbitfour.com/developers/mcp"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Organization Registered Domain & Subdomain Scraper","operator":"Lofomachines","operator_domain":"apify.com","pricing":"paid","slug":"apify-lofomachines-organization-registered-domain-subdomain-scraper","url":"https://apify.com/lofomachines/organization-registered-domain-subdomain-scraper"},{"category":"URL shorteners and branded links","country":"CA","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Ow.ly (Hootsuite)","operator":"Ow.ly (Hootsuite)","operator_domain":"ow.ly","pricing":"paid","slug":"ow-ly","url":"https://ow.ly/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Packetframe","operator":"Packetframe","operator_domain":"packetframe.com","pricing":null,"slug":"packetframe","url":"https://packetframe.com/"},{"category":"Domain monitoring and expiry","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Paessler PRTG","operator":"Paessler","operator_domain":"paessler.com","pricing":"paid","slug":"prtg-dns","url":"https://www.paessler.com/prtg"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Palisade","operator":"Palisade Technologies","operator_domain":"palisade.email","pricing":"paid","slug":"palisade-dmarc","url":"https://www.palisade.email"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Park.io","operator":"Park.io","operator_domain":"park.io","pricing":"paid","slug":"park-io","url":"https://park.io/"},{"category":"Parking and monetisation","country":"DE","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"ParkingCrew","operator":"Team Internet AG","operator_domain":"parkingcrew.com","pricing":"free","slug":"parkingcrew","url":"https://www.parkingcrew.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Parse-DMARC MCP Server","operator":"meysam81","operator_domain":"github.com","pricing":"open_source","slug":"mcp-registry-parse-dmarc-mcp-server","url":"https://github.com/meysam81/parse-dmarc.git"},{"category":"SSL certificates and ACME","country":"US","has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Pomerium","operator":"Pomerium","operator_domain":"pomerium.com","pricing":"open_source","slug":"pomerium","url":"https://www.pomerium.com/"},{"category":"Web3 and alternative-root domains","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Pool.com","operator":"Pool.com","operator_domain":"pool.com","pricing":"paid","slug":"pool-com","url":"https://www.pool.com/"},{"category":"DNS hosting and managed DNS","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Porkbun","operator":"Porkbun","operator_domain":null,"pricing":null,"slug":"claude-connector-porkbun","url":"https://claude.com/marketplace/connectors/porkbun"},{"category":"SSL certificates and ACME","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"Posh-ACME","operator":"rmbolger","operator_domain":"github.com","pricing":"open_source","slug":"rmbolger-posh-acme","url":"https://github.com/rmbolger/Posh-ACME"},{"category":"Email authentication and deliverability","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Postmark DMARC Digests","operator":"ActiveCampaign (Postmark)","operator_domain":"dmarc.postmarkapp.com","pricing":"freemium","slug":"postmark-dmarc-digests","url":"https://dmarc.postmarkapp.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Prefix WhoIs","operator":"pwhois.org","operator_domain":"pwhois.org","pricing":null,"slug":"mcp-registry-prefix-whois","url":"https://pwhois.org/mcp.who"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Pulsedive","operator":"Pulsedive","operator_domain":"pulsedive.com","pricing":"freemium","slug":"pulsedive","url":"https://pulsedive.com"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Qloaked","operator":"Qloaked","operator_domain":"qloaked.com","pricing":"paid","slug":"qloaked","url":"https://www.qloaked.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"RDAP API","operator":"rdapapi.io","operator_domain":"rdapapi.io","pricing":null,"slug":"mcp-registry-rdap-api","url":"https://rdapapi.io/mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"RDAP.org","operator":"RDAP.org","operator_domain":"about.rdap.org","pricing":"open_source","slug":"rdap-org","url":"https://about.rdap.org/"},{"category":"DNS hosting and managed DNS","country":"PL","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Rage4 DNS","operator":"Rage4 DNS","operator_domain":"rage4.com","pricing":"paid","slug":"rage4-dns","url":"https://rage4.com/"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Razix","operator":"Razix","operator_domain":"razix.app","pricing":null,"slug":"razix","url":"https://www.razix.app/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Rdap","operator":"pipeworx-io","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-rdap","url":"https://github.com/pipeworx-io/mcp-rdap"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Real Subdomain Finder","operator":"One Scales","operator_domain":"apify.com","pricing":"paid","slug":"apify-onescales-real-subdomain-finder","url":"https://apify.com/onescales/real-subdomain-finder"},{"category":"URL shorteners and branded links","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Rebrandly","operator":"Rebrandly","operator_domain":"rebrandly.com","pricing":"freemium","slug":"rebrandly","url":"https://www.rebrandly.com/"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift BIMI Checker","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-bimi-checker","url":"https://redsift.com/tools/bimi"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift BIMI Maker","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-bimi-maker","url":"https://redsift.com/tools/bimi-maker"},{"category":"Domain monitoring and expiry","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Red Sift Certificates Lite (formerly Hardenize)","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-certificates-lite","url":"https://redsift.com/pulse-platform/certificates-lite"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift Investigate","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-investigate","url":"https://redsift.com/tools/investigate"},{"category":"Email authentication and deliverability","country":"GB","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Red Sift OnDMARC","operator":"Red Sift","operator_domain":"redsift.com","pricing":"paid","slug":"redsift-ondmarc","url":"https://redsift.com/pulse-platform/ondmarc"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift Radar Lite","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-radar-lite","url":"https://redsift.com/tools/radar-lite"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift SPF Checker","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-spf-checker","url":"https://redsift.com/tools/spf-checker"},{"category":"Email authentication and deliverability","country":"GB","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Red Sift SubdoMailing Checker","operator":"Red Sift","operator_domain":"redsift.com","pricing":"free","slug":"redsift-subdomailing-checker","url":"https://redsift.com/tools/subdomailing"},{"category":"DNS lookup and propagation","country":"SE","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Robtex","operator":"Robtex","operator_domain":"robtex.com","pricing":"freemium","slug":"robtex","url":"https://www.robtex.com"},{"category":"DNS hosting and managed DNS","country":"JP","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"SAKURA Cloud DNS","operator":"SAKURA Cloud DNS","operator_domain":"cloud.sakura.ad.jp","pricing":"paid","slug":"sakura-cloud-dns","url":"https://cloud.sakura.ad.jp/"},{"category":"Web3 and alternative-root domains","country":"SG","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"SPACE ID","operator":"SPACE ID","operator_domain":"space.id","pricing":"paid","slug":"space-id","url":"https://space.id/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"SPF & DMARC Record Lint","operator":"ReadyStack","operator_domain":null,"pricing":null,"slug":"openvsx-readystack-spf-dmarc-record-lint","url":"https://open-vsx.org/extension/ReadyStack/spf-dmarc-record-lint"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"SSL Certificate Check","operator":"powmcp","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-ssl-certificate-check","url":"https://github.com/powmcp/mcp-server-guide"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"SSL Certificate Checker","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-ssl-certificate-checker","url":"https://apify.com/automation-lab/ssl-certificate-checker"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"SSL Certificate Checker — Bulk Expiry & Chain Monitor","operator":"NexGenData","operator_domain":"apify.com","pricing":"paid","slug":"apify-nexgendata-ssl-certificate-checker","url":"https://apify.com/nexgendata/ssl-certificate-checker"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"SSL Certificate Inspector - TLS Audit & Expiry Monitor","operator":"NanoScrape","operator_domain":"apify.com","pricing":"paid","slug":"apify-santamaria-automations-ssl-certificate-inspector","url":"https://apify.com/santamaria-automations/ssl-certificate-inspector"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"SSL Checker API","operator":"br0ski777","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-ssl-checker-api","url":"https://github.com/Br0ski777/ssl-checker-x402"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"SSL Server Test","operator":"nitrohorse","operator_domain":"gitlab.com","pricing":null,"slug":"firefox-qualys-ssl-server-test","url":"https://addons.mozilla.org/en-US/firefox/addon/qualys-ssl-server-test/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"SSL-Toolbox","operator":"Jmpeax","operator_domain":null,"pricing":"free","slug":"jetbrains-25216","url":"https://plugins.jetbrains.com/plugin/25216"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"SSL.com ACME","operator":"SSL.com ACME","operator_domain":"ssl.com","pricing":"paid","slug":"ssl-com-acme","url":"https://www.ssl.com/"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"STACKIT DNS","operator":"STACKIT DNS","operator_domain":"stackit.de","pricing":null,"slug":"stackit-dns","url":"https://stackit.de/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"SaaS Custom Domains","operator":"saascustomdomains.com","operator_domain":"saascustomdomains.com","pricing":null,"slug":"mcp-registry-saas-custom-domains","url":"https://saascustomdomains.com/mcp"},{"category":"DNS hosting and managed DNS","country":"FR","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Scaleway DNS","operator":"Scaleway DNS","operator_domain":"scaleway.com","pricing":"paid","slug":"scaleway-dns","url":"https://www.scaleway.com"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"ScrapeMole Domains","operator":"scrapemole.pages.dev","operator_domain":"scrapemole.pages.dev","pricing":null,"slug":"mcp-registry-scrapemole-domains","url":"https://scrapemole.pages.dev"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Sectigo","operator":"Sectigo","operator_domain":"sectigo.com","pricing":"paid","slug":"sectigo","url":"https://www.sectigo.com/"},{"category":"Certificate transparency and recon","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"SecurityTrails DNS Trails","operator":"SecurityTrails","operator_domain":"securitytrails.com","pricing":"freemium","slug":"securitytrails","url":"https://securitytrails.com/dns-trails"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"Securitytrails","operator":"Securitytrails","operator_domain":null,"pricing":null,"slug":"composio-securitytrails","url":"https://composio.dev/toolkits/securitytrails"},{"category":"Domain monitoring and expiry","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Sedo Domain Auctions Scraper","operator":"ParseForge","operator_domain":"apify.com","pricing":"paid","slug":"apify-parseforge-sedo-auctions-scraper","url":"https://apify.com/parseforge/sedo-auctions-scraper"},{"category":"DNS hosting and managed DNS","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Serverspace","operator":"Serverspace","operator_domain":"serverspace.io","pricing":null,"slug":"serverspace","url":"https://serverspace.io/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Ship your site: domain, Netlify, DNS, HTTPS","operator":"unblck","operator_domain":null,"pricing":null,"slug":"openvsx-unblck-ship-your-site","url":"https://open-vsx.org/extension/unblck/ship-your-site"},{"category":"URL shorteners and branded links","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Short.io","operator":"Short.io","operator_domain":"short.io","pricing":"freemium","slug":"short-io","url":"https://short.io/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"SimilarWeb Website Scraper: Bulk Traffic, WHOIS & Rankings","operator":"Sourabh Kumar","operator_domain":"apify.com","pricing":"paid","slug":"apify-sourabhbgp-similarweb-scraper","url":"https://apify.com/sourabhbgp/similarweb-scraper"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Similarweb Scraper - Traffic, AI Traffic & WHOIS","operator":"VortexData","operator_domain":"apify.com","pricing":"paid","slug":"apify-vortex-data-similarweb-scraper","url":"https://apify.com/vortex_data/similarweb-scraper"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"SimpleACME DNS-01 setup","operator":"simpleacme.com","operator_domain":"simpleacme.com","pricing":null,"slug":"mcp-registry-simpleacme-dns-01-setup","url":"https://simpleacme.com/developers"},{"category":"Domain monitoring and expiry","country":"IN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Site24x7 DNS monitoring","operator":"Zoho (Site24x7)","operator_domain":"site24x7.com","pricing":"paid","slug":"site24x7-dns","url":"https://www.site24x7.com/dns-monitoring.html"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Sitey — free subdomains","operator":"jaejeonglee","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-sitey-free-subdomains","url":"https://github.com/jaejeonglee/sitey-free-domain"},{"category":"Aftermarket and backorder","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"SnapNames","operator":"Tucows","operator_domain":"snapnames.com","pricing":"paid","slug":"snapnames","url":"https://www.snapnames.com/"},{"category":"Web3 and alternative-root domains","country":"FR","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Solana Name Service","operator":"Bonfida","operator_domain":"sns.id","pricing":"paid","slug":"bonfida-sns","url":"https://www.sns.id/"},{"category":"Email authentication and deliverability","country":"GB","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Spamhaus Check","operator":"Spamhaus","operator_domain":"check.spamhaus.org","pricing":"free","slug":"spamhaus-check","url":"https://check.spamhaus.org/"},{"category":"Domain APIs and datasets","country":"CH","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Registry service","name":"Spamhaus Domain Blocklist","operator":"The Spamhaus Project","operator_domain":"spamhaus.org","pricing":"freemium","slug":"spamhaus-dbl","url":"https://www.spamhaus.org/blocklists/domain-blocklist/"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"SpyFu Domain Intelligence Scraper","operator":"ClearPath","operator_domain":"apify.com","pricing":"paid","slug":"apify-clearpath-spyfu-scraper","url":"https://apify.com/clearpath/spyfu-scraper"},{"category":"Domain search and name generators","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Squadhelp","operator":"Squadhelp","operator_domain":"squadhelp.com","pricing":"paid","slug":"squadhelp","url":"https://www.squadhelp.com/"},{"category":"Domain monitoring and expiry","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Squatm3gator","operator":"david3107","operator_domain":"github.com","pricing":"open_source","slug":"squatm3gator","url":"https://github.com/david3107/squatm3gator"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"Sslmate cert spotter api","operator":"Sslmate cert spotter api","operator_domain":null,"pricing":null,"slug":"composio-sslmate-cert-spotter-api","url":"https://composio.dev/toolkits/sslmate_cert_spotter_api"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"StableDomains","operator":"stabledomains.net","operator_domain":"stabledomains.net","pricing":null,"slug":"mcp-registry-stabledomains","url":"https://stabledomains.net"},{"category":"Web3 and alternative-root domains","country":"FR","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Starknet ID","operator":"Starknet ID","operator_domain":"starknet.id","pricing":"paid","slug":"starknet-id","url":"https://www.starknet.id/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"SubDomainRadar.io","operator":"SubDomainRadar","operator_domain":"subdomainradar.io","pricing":"freemium","slug":"subdomainradar","url":"https://subdomainradar.io"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Subdomain API","operator":"subdomain.app","operator_domain":"subdomain.app","pricing":null,"slug":"mcp-registry-subdomain-api","url":"https://subdomain.app"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Subdomain Finder","operator":"HappiTap","operator_domain":"apify.com","pricing":"paid","slug":"apify-happitap-subdomain-finder","url":"https://apify.com/happitap/subdomain-finder"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Subdomain Finder","operator":"Sumalya Chatterjee","operator_domain":null,"pricing":null,"slug":"firefox-subdomain-finder","url":"https://addons.mozilla.org/en-US/firefox/addon/subdomain-finder/"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Subdomain Finder & Recon Tool","operator":"Andok","operator_domain":"apify.com","pricing":"paid","slug":"apify-andok-subdomain-finder","url":"https://apify.com/andok/subdomain-finder"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Subdomain Finder - Discover Every Subdomain Of A Domain","operator":"Thirdwatch","operator_domain":"apify.com","pricing":"paid","slug":"apify-thirdwatch-subdomain-finder","url":"https://apify.com/thirdwatch/subdomain-finder"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Subdomain Finder - Discover Subdomains via CT Logs","operator":"Logiover","operator_domain":"apify.com","pricing":"paid","slug":"apify-logiover-subdomain-finder","url":"https://apify.com/logiover/subdomain-finder"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Subdomain Finder MCP","operator":"theluckystrike","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-subdomain-finder-mcp","url":"https://github.com/theluckystrike/subdomain-finder-mcp"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Subdominator","operator":"RevoltSecurities","operator_domain":"github.com","pricing":"open_source","slug":"subdominator","url":"https://github.com/RevoltSecurities/Subdominator"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Subhunt","operator":"ahmadouniass","operator_domain":"github.com","pricing":"open_source","slug":"subhunt","url":"https://github.com/ahmadouniass/Subdomains-finder-subhunt"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Sublist3r","operator":"aboul3la","operator_domain":"github.com","pricing":"open_source","slug":"sublist3r","url":"https://github.com/aboul3la/Sublist3r"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Substr3am","operator":"nexxai","operator_domain":"github.com","pricing":"open_source","slug":"substr3am","url":"https://github.com/nexxai/Substr3am"},{"category":"Domain monitoring and expiry","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Sucuri","operator":"Sucuri","operator_domain":"sucuri.net","pricing":"paid","slug":"sucuri","url":"https://sucuri.net/website-firewall/"},{"category":"Domain Connect and DNS automation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Sucuri (Domain Connect service provider)","operator":"Sucuri (Domain Connect service provider)","operator_domain":"sucuri.net","pricing":null,"slug":"sucuri-domain-connect","url":"https://sucuri.net/"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Sudomy","operator":"Screetsec","operator_domain":"github.com","pricing":"open_source","slug":"sudomy","url":"https://github.com/Screetsec/Sudomy"},{"category":"Email authentication and deliverability","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Suped","operator":"Suped","operator_domain":"suped.com","pricing":"freemium","slug":"suped","url":"https://www.suped.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"TLDix","operator":"tldix.com","operator_domain":"tldix.com","pricing":null,"slug":"mcp-registry-tldix","url":"https://tldix.com/claude"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"TLS Cert Lifetime Lint - SC-081v3 renewal check","operator":"ReadyStack","operator_domain":null,"pricing":null,"slug":"openvsx-readystack-tls-cert-lifetime-lint","url":"https://open-vsx.org/extension/ReadyStack/tls-cert-lifetime-lint"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"TLS Radar","operator":"tls-radar","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-tls-radar","url":"https://github.com/TLS-Radar/tlsradar-claude-plugin"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"TadaCloud DNS Manager","operator":"TadashiDev","operator_domain":null,"pricing":null,"slug":"openvsx-tadashidev-tadacloud-dns-manager","url":"https://open-vsx.org/extension/TadashiDev/tadacloud-dns-manager"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"TamingDNS","operator":"paulogier","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-tamingdns","url":"https://github.com/PaulOgier/tamingdns-mcp"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"TekCERT","operator":"TekCERT","operator_domain":"kaplansoft.com","pricing":null,"slug":"tekcert","url":"https://www.kaplansoft.com/tekcert/"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Browser extension","name":"ThreatPinchLookup","operator":"cloudtracer","operator_domain":"github.com","pricing":"open_source","slug":"cloudtracer-threatpinchlookup","url":"https://github.com/cloudtracer/ThreatPinchLookup"},{"category":"URL shorteners and branded links","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"TinyURL","operator":"TinyURL","operator_domain":"tinyurl.com","pricing":"freemium","slug":"tinyurl","url":"https://tinyurl.com/"},{"category":"Domain Connect and DNS automation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Titan Email (Domain Connect service provider)","operator":"Titan Email (Domain Connect service provider)","operator_domain":"titan.email","pricing":null,"slug":"titan-email-domain-connect","url":"https://titan.email/"},{"category":"Domain APIs and datasets","country":"BE","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Tranco","operator":"Tranco research team (KU Leuven and partners)","operator_domain":"tranco-list.eu","pricing":"free","slug":"tranco-list","url":"https://tranco-list.eu/"},{"category":"DNS hosting and managed DNS","country":"NL","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"TransIP","operator":"TransIP","operator_domain":"transip.nl","pricing":null,"slug":"transip-dns","url":"https://www.transip.nl/"},{"category":"SSL certificates and ACME","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Trustwave","operator":"Trustwave","operator_domain":"trustwave.com","pricing":"paid","slug":"trustwave","url":"https://www.trustwave.com/"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Turbolist3r","operator":"fleetcaptain","operator_domain":"github.com","pricing":"open_source","slug":"turbolist3r","url":"https://github.com/fleetcaptain/Turbolist3r"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"UK Data: Email and domain checks","operator":"reliness.co.uk","operator_domain":"ukdata.reliness.co.uk","pricing":null,"slug":"mcp-registry-uk-data-email-and-domain-checks","url":"https://ukdata.reliness.co.uk"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"URLVoid","operator":"NoVirusThanks","operator_domain":"urlvoid.com","pricing":"free","slug":"urlvoid","url":"https://www.urlvoid.com"},{"category":"Open-source DNS tools","country":"NL","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"Unbound","operator":"NLnet Labs","operator_domain":"nlnetlabs.nl","pricing":"open_source","slug":"unbound-dns","url":"https://www.nlnetlabs.nl/projects/unbound/about/"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Unstoppable Domains","operator":"unstoppabledomains","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-unstoppable-domains","url":"https://github.com/unstoppabledomains/unstoppable-mcp-server"},{"category":"Aftermarket and backorder","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"UpSnatch Expired Domain Search","operator":"upsnatch.com","operator_domain":"upsnatch.com","pricing":null,"slug":"mcp-registry-upsnatch-expired-domain-search","url":"https://upsnatch.com/developers/"},{"category":"Domain monitoring and expiry","country":"NL","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Uptrends DNS monitoring","operator":"Uptrends","operator_domain":"uptrends.com","pricing":"paid","slug":"uptrends-dns-monitoring","url":"https://www.uptrends.com/products/synthetics/dns-monitoring"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"VHostScan","operator":"codingo","operator_domain":"github.com","pricing":"open_source","slug":"vhostscan","url":"https://github.com/codingo/VHostScan"},{"category":"Domain monitoring and expiry","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Vacato","operator":"Vacato","operator_domain":"vacato.io","pricing":"freemium","slug":"vacato","url":"https://vacato.io"},{"category":"DNS lookup and propagation","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Validin","operator":"Validin","operator_domain":"app.validin.com","pricing":"freemium","slug":"validin","url":"https://app.validin.com/"},{"category":"Email authentication and deliverability","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Valimail","operator":"Valimail (DigiCert)","operator_domain":"valimail.com","pricing":"paid","slug":"valimail","url":"https://www.valimail.com/"},{"category":"Custom domains for SaaS","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Vanitycert","operator":"Vanitycert","operator_domain":"vanitycert.com","pricing":null,"slug":"vanitycert","url":"https://vanitycert.com/"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":null,"kind":"API","name":"Venafi TLS Protect Cloud","operator":"Venafi TLS Protect Cloud","operator_domain":null,"pricing":null,"slug":"n8n-venafi-tls-protect-cloud","url":"https://n8n.io/integrations/venafi-tls-protect-cloud/"},{"category":"DNS lookup and propagation","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Verisign DNSSEC Debugger","operator":"Verisign Labs","operator_domain":"dnssec-debugger.verisignlabs.com","pricing":"free","slug":"verisign-dnssec-debugger","url":"https://dnssec-debugger.verisignlabs.com"},{"category":"Certificate transparency and recon","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"VirusTotal domain reports","operator":"VirusTotal (Google)","operator_domain":"virustotal.com","pricing":"freemium","slug":"virustotal-domain","url":"https://www.virustotal.com/"},{"category":"DNS hosting and managed DNS","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Volcengine Cloud DNS","operator":"Volcengine Cloud DNS","operator_domain":"volcengine.com","pricing":null,"slug":"volcengine-dns","url":"https://www.volcengine.com/"},{"category":"DNS hosting and managed DNS","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Vultr DNS","operator":"Vultr DNS","operator_domain":"vultr.com","pricing":null,"slug":"vultr-dns","url":"https://www.vultr.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"WHOIS","operator":"kincaidyang","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whois","url":"https://github.com/KincaidYang/whois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"WHOIS & Domain Availability (RDAP)","operator":"winters-works-co","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whois-domain-availability-rdap","url":"https://apify.com/wintersworks/domain-whois-mcp-server"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"WHOIS Domain Lookup & Availability - Bulk RDAP KYB API","operator":"Ava Torres","operator_domain":"apify.com","pricing":"paid","slug":"apify-pink-comic-whois-domain-lookup","url":"https://apify.com/pink_comic/whois-domain-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"WHOIS Domain Lookup — Registrar, Age, Expiry & DNS (Bulk)","operator":"Daniel Carter","operator_domain":"apify.com","pricing":"paid","slug":"apify-ntriqpro-whois-domain-lookup","url":"https://apify.com/ntriqpro/whois-domain-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"WHOIS Domain Lookup: Operational Domain Intelligence","operator":"Ryan Clinton","operator_domain":"apify.com","pricing":"paid","slug":"apify-ryanclinton-whois-domain-lookup","url":"https://apify.com/ryanclinton/whois-domain-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"WHOIS Lookup","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-whois-lookup","url":"https://apify.com/automation-lab/whois-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"WHOIS Lookup: Domain WHOIS via RDAP, Age, Expiry, Registrar","operator":"Pono Data","operator_domain":"apify.com","pricing":"paid","slug":"apify-thoob-rdap-domain-lookup","url":"https://apify.com/thoob/rdap-domain-lookup"},{"category":"DNS lookup and propagation","country":"GB","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"Web-Check","operator":"as93 (Lissy93)","operator_domain":"web-check.as93.net","pricing":"open_source","slug":"web-check","url":"https://web-check.as93.net/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Web3 DNS (CNSLookup)","operator":"krizis78","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-web3-dns-cnslookup","url":"https://github.com/krizis78/cnslookup"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Webscout","operator":"Webscout","operator_domain":"webscout.io","pricing":"free","slug":"webscout-io","url":"https://webscout.io/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Website & Company Intel MCP","operator":"2-29-135-242.sslip.io","operator_domain":"2-29-135-242.sslip.io","pricing":null,"slug":"mcp-registry-website-company-intel-mcp","url":"https://apify.com/martin10291"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Website HTTPS & SSL Health Checker","operator":"SAHIL KUMAR","operator_domain":"apify.com","pricing":"free","slug":"apify-pillowy-travel-website-https-ssl-health-checker","url":"https://apify.com/pillowy_travel/website-https-ssl-health-checker"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Website Health Report","operator":"Automation Lab","operator_domain":"apify.com","pricing":"paid","slug":"apify-automation-lab-website-health-report","url":"https://apify.com/automation-lab/website-health-report"},{"category":"Domain search and name generators","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Website Status Checker & Bulk Domain Check: Live, Parked, Dead","operator":"Pvalyou","operator_domain":"apify.com","pricing":"paid","slug":"apify-pvalyou-website-liveness-check","url":"https://apify.com/pvalyou/website-liveness-check"},{"category":"Domain monitoring and expiry","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Website domain name validator","operator":"SASWAVE","operator_domain":"apify.com","pricing":"paid","slug":"apify-saswave-website-domain-name-validator","url":"https://apify.com/saswave/website-domain-name-validator"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"WhatsMyDNS.net","operator":"WhatsMyDNS","operator_domain":"whatsmydns.net","pricing":"free","slug":"whatsmydns-net","url":"https://www.whatsmydns.net/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"Who is Hosting this Website?","operator":"Jason Pat","operator_domain":"accuwebhosting.com","pricing":null,"slug":"firefox-who-is-hosting-this-website","url":"https://addons.mozilla.org/en-US/firefox/addon/who-is-hosting-this-website/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"API","name":"WhoAPI","operator":"WhoAPI","operator_domain":"whoapi.com","pricing":"paid","slug":"whoapi","url":"https://whoapi.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"WhoIsHostingThis","operator":"WhoIsHostingThis","operator_domain":"whoishostingthis.com","pricing":"free","slug":"whoishostingthis","url":"https://www.whoishostingthis.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"WhoIsRequest","operator":"WhoIsRequest","operator_domain":"whoisrequest.com","pricing":"free","slug":"whoisrequest","url":"https://whoisrequest.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Whois API","operator":"API Ninjas","operator_domain":"api-ninjas.com","pricing":"freemium","slug":"api-ninjas-whois","url":"https://api-ninjas.com/api/whois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Whois API","operator":"APILayer","operator_domain":"apilayer.com","pricing":"freemium","slug":"apilayer-whois-api","url":"https://marketplace.apilayer.com/whois-api"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Whois Domain Lookup","operator":"Agenscrape","operator_domain":"apify.com","pricing":"paid","slug":"apify-agenscrape-whois-domain-lookup","url":"https://apify.com/agenscrape/whois-domain-lookup"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"Whois Scraper","operator":"Salman Bareesh","operator_domain":"apify.com","pricing":"paid","slug":"apify-bareezh-codes-whois-scraper","url":"https://apify.com/bareezh_codes/whois-scraper"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"API","name":"WhoisDataCenter","operator":"WhoisDataCenter","operator_domain":"whoisdatacenter.com","pricing":"freemium","slug":"whoisdatacenter","url":"https://www.whoisdatacenter.com/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"WhoisJSON","operator":"whoisjson","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whoisjson","url":"https://github.com/Whoisjson/mcp-server"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"WhoisLookup","operator":"therealMrFunGuy","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whoislookup","url":"https://whois.rjctdlabs.xyz/sse"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"WhoisMind","operator":"WhoisMind","operator_domain":"whoismind.com","pricing":"free","slug":"whoismind","url":"https://www.whoismind.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"WhoisThisDomain","operator":"WhoisThisDomain","operator_domain":"itechguides.com","pricing":"free","slug":"whoisthisdomain","url":"https://www.itechguides.com/products/whoisthisdomain/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"Whoisology","operator":"Whoisology","operator_domain":"whoisology.com","pricing":"freemium","slug":"whoisology","url":"https://whoisology.com"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"WhosBuilt","operator":"WhosBuilt","operator_domain":"whosbuilt.com","pricing":"free","slug":"whosbuilt","url":"https://whosbuilt.com"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"API","name":"Whoxy","operator":"Whoxy","operator_domain":"whoxy.com","pricing":"paid","slug":"whoxy","url":"https://www.whoxy.com/"},{"category":"URL shorteners and branded links","country":"US","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"WordPress.com wp.me","operator":"WordPress.com wp.me","operator_domain":"wp.me","pricing":"free","slug":"wp-me","url":"https://wp.me/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Browser extension","name":"X509 Certificate","operator":"Mert Aybat","operator_domain":null,"pricing":"free","slug":"jetbrains-18925","url":"https://plugins.jetbrains.com/plugin/18925"},{"category":"Domain APIs and datasets","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Xranks domain data","operator":"xranks.com","operator_domain":"xranks.com","pricing":null,"slug":"mcp-registry-xranks-domain-data","url":"https://xranks.com/apis/documentation/"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"ZeroSSL","operator":"ZeroSSL","operator_domain":"zerossl.com","pricing":"freemium","slug":"zerossl","url":"https://zerossl.com/"},{"category":"DNS lookup and propagation","country":"IN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"Zoho Toolkit DNS Lookup","operator":"Zoho","operator_domain":"zoho.com.cn","pricing":"free","slug":"zoho-toolkit-dns","url":"https://www.zoho.com.cn/toolkit/dns-lookup.html"},{"category":"Domain monitoring and expiry","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"ZoneWatcher","operator":"ZoneWatcher","operator_domain":"zonewatcher.com","pricing":"paid","slug":"zonewatcher","url":"https://zonewatcher.com/"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"Zovo Domain Lookup","operator":"theluckystrike","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-zovo-domain-lookup","url":"https://domain-lookup.zovo.one/"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"acme-client","operator":"unixcharles","operator_domain":"github.com","pricing":"open_source","slug":"unixcharles-acme-client","url":"https://github.com/unixcharles/acme-client"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"acme-companion","operator":"nginx-proxy","operator_domain":"github.com","pricing":"open_source","slug":"nginx-proxy-acme-companion","url":"https://github.com/nginx-proxy/acme-companion"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"acme-dns","operator":"acme-dns","operator_domain":"github.com","pricing":"open_source","slug":"acme-dns-acme-dns","url":"https://github.com/acme-dns/acme-dns"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"acme-dns-01-cli","operator":"coolaj86","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-acme-dns-01-cli","url":"https://greenlock.domains/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"acme-dns-01-cloudflare","operator":"nodecraft","operator_domain":"github.com","pricing":"open_source","slug":"nodecraft-acme-dns-01-cloudflare","url":"https://github.com/nodecraft/acme-dns-01-cloudflare"},{"category":"SSL certificates and ACME","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"acme.sh","operator":"acmesh-official","operator_domain":"github.com","pricing":"open_source","slug":"acmesh-official-acme-sh","url":"https://github.com/acmesh-official/acme.sh"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"acmez","operator":"mholt","operator_domain":"github.com","pricing":"open_source","slug":"mholt-acmez","url":"https://github.com/mholt/acmez"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"addr.tools","operator":"brianshea2","operator_domain":"github.com","pricing":"open_source","slug":"addr-tools","url":"https://github.com/brianshea2/addr.tools"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"altdns","operator":"infosec-au","operator_domain":"github.com","pricing":"open_source","slug":"altdns","url":"https://github.com/infosec-au/altdns"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":false,"has_mcp":true,"kind":"Command-line tool","name":"amass","operator":"owasp-amass","operator_domain":"github.com","pricing":"open_source","slug":"owasp-amass-amass","url":"https://github.com/owasp-amass/amass"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"anubis","operator":"jonluca","operator_domain":"github.com","pricing":"open_source","slug":"jonluca-anubis","url":"https://github.com/jonluca/anubis"},{"category":"DNS lookup and propagation","country":"IT","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"asn","operator":"nitefood","operator_domain":"github.com","pricing":"open_source","slug":"nitefood-asn","url":"https://github.com/nitefood/asn"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"assetfinder","operator":"tomnomnom","operator_domain":"github.com","pricing":"open_source","slug":"assetfinder","url":"https://github.com/tomnomnom/assetfinder"},{"category":"Appraisal and valuation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"audit.domains - Domain Valuation","operator":"audit.domains","operator_domain":"audit.domains","pricing":null,"slug":"mcp-registry-audit-domains-domain-valuation","url":"https://audit.domains"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"axios-cached-dns-resolve","operator":"tcollinsworth","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-axios-cached-dns-resolve","url":"https://www.npmjs.com/package/axios-cached-dns-resolve"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"bind","operator":"isc.org","operator_domain":"isc.org","pricing":"open_source","slug":"homebrew-bind","url":"https://www.isc.org/bind/"},{"category":"Open-source DNS tools","country":"DE","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"blocky","operator":"0xERR0R","operator_domain":"github.com","pricing":"open_source","slug":"0xerr0r-blocky","url":"https://github.com/0xERR0R/blocky"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"boulder","operator":"letsencrypt","operator_domain":"github.com","pricing":"open_source","slug":"letsencrypt-boulder","url":"https://github.com/letsencrypt/boulder"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"brutesubs","operator":"anshumanbh","operator_domain":"github.com","pricing":"open_source","slug":"brutesubs","url":"https://github.com/anshumanbh/brutesubs"},{"category":"Custom domains for SaaS","country":"SI","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"bunny.net CDN custom hostnames and free SSL","operator":"bunny.net CDN custom hostnames and free SSL","operator_domain":"docs.bunny.net","pricing":"paid","slug":"bunny-cdn-custom-hostnames","url":"https://docs.bunny.net/cdn/ssl-setup"},{"category":"DNS hosting and managed DNS","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"cPanel-MCP-Server","operator":"0xHayd3n","operator_domain":"github.com","pricing":"open_source","slug":"0xhayd3n-cpanel-mcp-server","url":"https://github.com/0xHayd3n/cPanel-MCP-Server"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"ccheck","operator":"nerdlem","operator_domain":"github.com","pricing":"open_source","slug":"nerdlem-ccheck","url":"https://github.com/nerdlem/ccheck"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"cdk-certbot-dns-route53","operator":"neilkuan","operator_domain":"github.com","pricing":"open_source","slug":"neilkuan-cdk-certbot-dns-route53","url":"https://github.com/neilkuan/cdk-certbot-dns-route53"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"censys-subdomain-finder","operator":"christophetd","operator_domain":"github.com","pricing":"open_source","slug":"censys-subdomain-finder","url":"https://github.com/christophetd/censys-subdomain-finder"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"cero","operator":"glebarez","operator_domain":"github.com","pricing":"open_source","slug":"cero","url":"https://github.com/glebarez/cero"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"cert-manager","operator":"cert-manager","operator_domain":"github.com","pricing":"open_source","slug":"cert-manager-cert-manager","url":"https://github.com/cert-manager/cert-manager"},{"category":"Domain monitoring and expiry","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"certguard","operator":"miketusa-ctrl","operator_domain":"github.com","pricing":"open_source","slug":"miketusa-ctrl-certguard","url":"https://github.com/miketusa-ctrl/certguard"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"certificate-transparency-go","operator":"google","operator_domain":"github.com","pricing":"open_source","slug":"google-certificate-transparency-go","url":"https://github.com/google/certificate-transparency-go"},{"category":"SSL certificates and ACME","country":"AU","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"certify","operator":"webprofusion","operator_domain":"github.com","pricing":"open_source","slug":"webprofusion-certify","url":"https://github.com/webprofusion/certify"},{"category":"SSL certificates and ACME","country":"CN","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"certimate","operator":"certimate-go","operator_domain":"github.com","pricing":"open_source","slug":"certimate-go-certimate","url":"https://github.com/certimate-go/certimate"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"certspotter","operator":"SSLMate","operator_domain":"github.com","pricing":"open_source","slug":"sslmate-certspotter","url":"https://github.com/SSLMate/certspotter"},{"category":"Certificate transparency and recon","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"certstream-server","operator":"CaliDog","operator_domain":"github.com","pricing":"open_source","slug":"calidog-certstream-server","url":"https://github.com/CaliDog/certstream-server"},{"category":"SSL certificates and ACME","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"certwarden","operator":"gregtwallace","operator_domain":"github.com","pricing":"open_source","slug":"gregtwallace-certwarden","url":"https://github.com/gregtwallace/certwarden"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"chaos-client","operator":"projectdiscovery","operator_domain":"github.com","pricing":"open_source","slug":"chaos-client","url":"https://github.com/projectdiscovery/chaos-client"},{"category":"DNS lookup and propagation","country":"VN","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Browser extension","name":"check-host","operator":"haidv35","operator_domain":"github.com","pricing":"open_source","slug":"haidv35-check-host","url":"https://github.com/haidv35/check-host"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"checkdmarc","operator":"domainaware.github.io","operator_domain":"domainaware.github.io","pricing":"open_source","slug":"homebrew-checkdmarc","url":"https://domainaware.github.io/checkdmarc/"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"chinadns-c","operator":"shadowsocks","operator_domain":"github.com","pricing":"open_source","slug":"shadowsocks-chinadns-c","url":"https://github.com/shadowsocks/ChinaDNS"},{"category":"DNS hosting and managed DNS","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"claude-cpanel-mcp","operator":"ringo380","operator_domain":"github.com","pricing":"open_source","slug":"ringo380-claude-cpanel-mcp","url":"https://github.com/ringo380/claude-cpanel-mcp"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"cli","operator":"hetznercloud","operator_domain":"github.com","pricing":"open_source","slug":"hetznercloud-cli","url":"https://github.com/hetznercloud/cli"},{"category":"DNS hosting and managed DNS","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"cli","operator":"netlify","operator_domain":"github.com","pricing":"open_source","slug":"netlify-cli","url":"https://github.com/netlify/cli"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"cloudflare-go","operator":"cloudflare","operator_domain":"github.com","pricing":"open_source","slug":"cloudflare-cloudflare-go","url":"https://github.com/cloudflare/cloudflare-go"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"cloudflare-python","operator":"cloudflare","operator_domain":"github.com","pricing":"open_source","slug":"cloudflare-cloudflare-python","url":"https://github.com/cloudflare/cloudflare-python"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"cloudflare-typescript","operator":"cloudflare","operator_domain":"github.com","pricing":"open_source","slug":"cloudflare-cloudflare-typescript","url":"https://github.com/cloudflare/cloudflare-typescript"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"coredns","operator":"coredns.io","operator_domain":"coredns.io","pricing":"open_source","slug":"homebrew-coredns","url":"https://coredns.io/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"crip","operator":"hakky54","operator_domain":"github.com","pricing":"open_source","slug":"hakky54-crip","url":"https://github.com/Hakky54/certificate-ripper"},{"category":"Certificate transparency and recon","country":null,"has_api":true,"has_frontend":null,"has_mcp":false,"kind":"API","name":"crt.sh Certificate Transparency Scraper","operator":"ParseForge","operator_domain":"apify.com","pricing":"paid","slug":"apify-parseforge-crtsh-certificate-transparency-scraper","url":"https://apify.com/parseforge/crtsh-certificate-transparency-scraper"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"crtndstry","operator":"nahamsec","operator_domain":"github.com","pricing":"open_source","slug":"crtndstry","url":"https://github.com/nahamsec/crtndstry"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"csprecon","operator":"edoardottt","operator_domain":"github.com","pricing":"open_source","slug":"csprecon","url":"https://github.com/edoardottt/csprecon"},{"category":"Certificate transparency and recon","country":"GB","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"ct_monitor","operator":"crtsh","operator_domain":"github.com","pricing":"open_source","slug":"crtsh-ct-monitor","url":"https://github.com/crtsh/ct_monitor"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"ctfr","operator":"UnaPibaGeek","operator_domain":"github.com","pricing":"open_source","slug":"unapibageek-ctfr","url":"https://github.com/UnaPibaGeek/ctfr"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"customdomain-js","operator":"custom-domain-app","operator_domain":"github.com","pricing":"open_source","slug":"custom-domain-app-customdomain-sdk","url":"https://github.com/custom-domain-app/customdomain-sdk"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"ddclient","operator":"ddclient.net","operator_domain":"ddclient.net","pricing":"open_source","slug":"homebrew-ddclient","url":"https://ddclient.net/"},{"category":"Domain Connect and DNS automation","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"ddns-go","operator":"jeessy2","operator_domain":"github.com","pricing":"open_source","slug":"jeessy2-ddns-go","url":"https://github.com/jeessy2/ddns-go"},{"category":"Domain Connect and DNS automation","country":"CA","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"ddns-updater","operator":"qdm12","operator_domain":"github.com","pricing":"open_source","slug":"qdm12-ddns-updater","url":"https://github.com/qdm12/ddns-updater"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dechonet-mcp","operator":"node-man","operator_domain":"github.com","pricing":"open_source","slug":"node-man-dechonet-mcp","url":"https://github.com/node-man/dechonet-mcp"},{"category":"SSL certificates and ACME","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dehydrated","operator":"dehydrated-io","operator_domain":"github.com","pricing":"open_source","slug":"dehydrated-io-dehydrated","url":"https://github.com/dehydrated-io/dehydrated"},{"category":"Domain monitoring and expiry","country":"US","has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"devops-status-mcp-server","operator":"cyanheads","operator_domain":"github.com","pricing":"open_source","slug":"cyanheads-devops-status-mcp-server","url":"https://github.com/cyanheads/devops-status-mcp-server"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"digga","operator":"digga","operator_domain":"digga.dev","pricing":"open_source","slug":"digga-dev","url":"https://digga.dev"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"djbdns","operator":"cr.yp.to","operator_domain":"cr.yp.to","pricing":"open_source","slug":"homebrew-djbdns","url":"https://cr.yp.to/djbdns.html"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dkim","operator":"jhermsmeier","operator_domain":"github.com","pricing":"open_source","slug":"jhermsmeier-node-dkim","url":"https://github.com/jhermsmeier/node-dkim"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dkim-key","operator":"jhermsmeier","operator_domain":"github.com","pricing":"open_source","slug":"jhermsmeier-node-dkim-key","url":"https://github.com/jhermsmeier/node-dkim-key"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dkim-signature","operator":"jhermsmeier","operator_domain":"github.com","pricing":"open_source","slug":"jhermsmeier-node-dkim-signature","url":"https://github.com/jhermsmeier/node-dkim-signature"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dkim-signer","operator":"andris9","operator_domain":"github.com","pricing":"open_source","slug":"andris9-dkim-signer","url":"https://github.com/andris9/dkim-signer"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dmarc-solution","operator":"architjn","operator_domain":"github.com","pricing":"open_source","slug":"architjn-dmarc-solution","url":"https://github.com/architjn/dmarc-solution"},{"category":"Email authentication and deliverability","country":"US","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"dmarcian","operator":"dmarcian","operator_domain":"dmarcian.com","pricing":"freemium","slug":"dmarcian","url":"https://dmarcian.com/"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns","operator":"ofershap","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns","url":"https://github.com/ofershap/mcp-server-dns"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns-aid","operator":"dns-aid","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-aid","url":"https://github.com/dns-aid/dns-aid-core"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns-aid","operator":"infobloxopen","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-aid-5ae868","url":"https://github.com/infobloxopen/dns-aid-core"},{"category":"DNS lookup and propagation","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dns-benchmark","operator":"xxnuo","operator_domain":"github.com","pricing":"open_source","slug":"xxnuo-dns-benchmark","url":"https://github.com/xxnuo/dns-benchmark"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dns-benchmark-tool","operator":"net-benchmark","operator_domain":"github.com","pricing":"open_source","slug":"net-benchmark-dns-benchmark-tool","url":"https://github.com/net-benchmark/dns-benchmark-tool"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns-check","operator":"kaiv.ai","operator_domain":"kaiv.ai","pricing":null,"slug":"mcp-registry-dns-check","url":"https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns-doctor","operator":"dnsdoctor","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-doctor","url":"https://github.com/dnsdoctor/mcp"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dns-intelligence","operator":"guardbee","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dns-intelligence","url":"https://github.com/GuardBee/guardbee-mcp"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dns-lookup-cache","operator":"lcmapps","operator_domain":"github.com","pricing":"open_source","slug":"lcmapps-dns-lookup-cache","url":"https://github.com/lcmapps/dns-lookup-cache"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dns-over-http-resolver","operator":"vasco-santos","operator_domain":"github.com","pricing":"open_source","slug":"vasco-santos-dns-over-http-resolver","url":"https://github.com/vasco-santos/dns-over-http-resolver"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"dns-over-tls","operator":"sagi","operator_domain":"github.com","pricing":"open_source","slug":"sagi-node-dns-over-tls","url":"https://github.com/sagi/node-dns-over-tls"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dns-parallel-prober","operator":"lorenzog","operator_domain":"github.com","pricing":"open_source","slug":"dns-parallel-prober","url":"https://github.com/lorenzog/dns-parallel-prober"},{"category":"Domain APIs and datasets","country":"DE","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dns-servers","operator":"hagezi","operator_domain":"github.com","pricing":"open_source","slug":"hagezi-dns-servers","url":"https://github.com/hagezi/dns-servers"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dns-zonefile","operator":"elgs","operator_domain":"github.com","pricing":"open_source","slug":"elgs-dns-zonefile","url":"https://github.com/elgs/dns-zonefile"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"dns.tools","operator":"dns.tools","operator_domain":"dns.tools","pricing":"free","slug":"dns-tools-rdap","url":"https://dns.tools/rdap"},{"category":"Open-source DNS tools","country":"IN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dns.toys","operator":"knadh","operator_domain":"github.com","pricing":"open_source","slug":"knadh-dns-toys","url":"https://github.com/knadh/dns.toys"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnscan","operator":"rbsec","operator_domain":"github.com","pricing":"open_source","slug":"dnscan","url":"https://github.com/rbsec/dnscan"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnscontrol","operator":"dnscontrol.org","operator_domain":"dnscontrol.org","pricing":"open_source","slug":"homebrew-dnscontrol","url":"https://dnscontrol.org/"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnscrypt-proxy","operator":"DNSCrypt","operator_domain":"github.com","pricing":"open_source","slug":"dnscrypt-dnscrypt-proxy","url":"https://github.com/DNSCrypt/dnscrypt-proxy"},{"category":"Domain APIs and datasets","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnscrypt-resolvers","operator":"DNSCrypt","operator_domain":"github.com","pricing":"open_source","slug":"dnscrypt-dnscrypt-resolvers","url":"https://github.com/DNSCrypt/dnscrypt-resolvers"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsdist","operator":"dnsdist.org","operator_domain":"dnsdist.org","pricing":"open_source","slug":"homebrew-dnsdist","url":"https://www.dnsdist.org/"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsgen","operator":"alephnullsk","operator_domain":"github.com","pricing":"open_source","slug":"alephnullsk-dnsgen","url":"https://github.com/AlephNullSK/dnsgen"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dnsglobe","operator":"514-labs","operator_domain":"github.com","pricing":"open_source","slug":"514-labs-dnsglobe","url":"https://github.com/514-labs/dnsglobe"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dnslookup","operator":"ameshkov","operator_domain":"github.com","pricing":"open_source","slug":"ameshkov-dnslookup","url":"https://github.com/ameshkov/dnslookup"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsmap","operator":"resurrecting-open-source-projects","operator_domain":"github.com","pricing":"open_source","slug":"resurrecting-open-source-projects-dnsmap","url":"https://github.com/resurrecting-open-source-projects/dnsmap"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsmasq","operator":"thekelleys.org.uk","operator_domain":"thekelleys.org.uk","pricing":"open_source","slug":"homebrew-dnsmasq","url":"https://thekelleys.org.uk/dnsmasq/doc.html"},{"category":"Domain APIs and datasets","country":"CN","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnsmasq-china-list","operator":"felixonmars","operator_domain":"github.com","pricing":"open_source","slug":"felixonmars-dnsmasq-china-list","url":"https://github.com/felixonmars/dnsmasq-china-list"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsperf","operator":"dns-oarc.net","operator_domain":"dns-oarc.net","pricing":"open_source","slug":"homebrew-dnsperf","url":"https://www.dns-oarc.net/tools/dnsperf"},{"category":"Open-source DNS tools","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnspod-sr","operator":"DNSPod","operator_domain":"github.com","pricing":"open_source","slug":"dnspod-dnspod-sr","url":"https://github.com/DNSPod/dnspod-sr"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dnsprobe","operator":"cloudcorprecords","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dnsprobe","url":"https://github.com/CloudCorpRecords/dnsprobe"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"dnsproxy","operator":"AdguardTeam","operator_domain":"github.com","pricing":"open_source","slug":"adguardteam-dnsproxy","url":"https://github.com/AdguardTeam/dnsproxy"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnspyre","operator":"tantalor93.github.io","operator_domain":"tantalor93.github.io","pricing":"open_source","slug":"homebrew-dnspyre","url":"https://tantalor93.github.io/dnspyre/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsrobocert","operator":"dnsrobocert.readthedocs.io","operator_domain":"dnsrobocert.readthedocs.io","pricing":"open_source","slug":"homebrew-dnsrobocert","url":"https://dnsrobocert.readthedocs.io/en/latest/"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnstop","operator":"dns.measurement-factory.com","operator_domain":"dns.measurement-factory.com","pricing":"open_source","slug":"homebrew-dnstop","url":"http://dns.measurement-factory.com/tools/dnstop/index.html"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnstracer","operator":"mavetju.org","operator_domain":"mavetju.org","pricing":"open_source","slug":"homebrew-dnstracer","url":"https://www.mavetju.org/unix/dnstracer.php"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"dnstwister-mcp","operator":"mrfentmen","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-dnstwister-mcp","url":"https://github.com/mrfentmen/dnstwister-mcp"},{"category":"Open-source DNS tools","country":"AU","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dnsvalidator","operator":"vortexau","operator_domain":"github.com","pricing":"open_source","slug":"vortexau-dnsvalidator","url":"https://github.com/vortexau/dnsvalidator"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsviz","operator":"dnsviz","operator_domain":"github.com","pricing":"open_source","slug":"dnsviz-dnsviz","url":"https://github.com/dnsviz/dnsviz/"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dnsx","operator":"projectdiscovery","operator_domain":"github.com","pricing":"open_source","slug":"projectdiscovery-dnsx","url":"https://github.com/projectdiscovery/dnsx"},{"category":"DNS lookup and propagation","country":"GB","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dnsyo","operator":"YoSmudge","operator_domain":"github.com","pricing":"open_source","slug":"yosmudge-dnsyo","url":"https://github.com/YoSmudge/dnsyo"},{"category":"Domain search and name generators","country":"US","has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"do-remote-mcp-server-template","operator":"do-community","operator_domain":"github.com","pricing":"open_source","slug":"do-community-do-remote-mcp-server-template","url":"https://github.com/do-community/do-remote-mcp-server-template"},{"category":"Domain Connect and DNS automation","country":"AU","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"docker-cloudflare-ddns","operator":"oznu","operator_domain":"github.com","pricing":"open_source","slug":"oznu-docker-cloudflare-ddns","url":"https://github.com/oznu/docker-cloudflare-ddns"},{"category":"DNS hosting and managed DNS","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"doctl","operator":"digitalocean","operator_domain":"github.com","pricing":"open_source","slug":"digitalocean-doctl","url":"https://github.com/digitalocean/doctl"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"doge","operator":"dog.ramfield.net","operator_domain":"dog.ramfield.net","pricing":"open_source","slug":"homebrew-doge","url":"https://dog.ramfield.net/"},{"category":"DNS lookup and propagation","country":"IN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"doggo","operator":"mr-karan","operator_domain":"github.com","pricing":"open_source","slug":"mr-karan-doggo","url":"https://github.com/mr-karan/doggo"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"doh","operator":"curl","operator_domain":"github.com","pricing":"open_source","slug":"curl-doh","url":"https://github.com/curl/doh"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-check","operator":"markolati85","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-check","url":"https://github.com/markolati85/agpc-domain-check"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-check","operator":"saidutt46","operator_domain":"github.com","pricing":"open_source","slug":"mcp-registry-domain-check-45d3e7","url":"https://github.com/saidutt46/domain-check.git"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-check-skills-mcp","operator":"seomarlboro","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-check-skills-mcp","url":"https://github.com/seomarlboro/digmyname"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-checker-mcp","operator":"wearebravelabs","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-checker-mcp","url":"https://github.com/WeAreBraveLabs/domain-checker-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domain-data-mcp","operator":"Rumblingb","operator_domain":"github.com","pricing":"open_source","slug":"rumblingb-domain-data-mcp","url":"https://github.com/Rumblingb/domain-data-mcp"},{"category":"Domain search and name generators","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domain-finder-mcp","operator":"halfaipg","operator_domain":"github.com","pricing":"open_source","slug":"halfaipg-domain-finder-mcp","url":"https://github.com/halfaipg/domain-finder-mcp"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-intel","operator":"erikirby","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-intel","url":"https://github.com/erikirby/toolcompare-fyi"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-intelligence-mcp-server","operator":"thenextgennexus.com","operator_domain":"thenextgennexus.com","pricing":null,"slug":"mcp-registry-domain-intelligence-mcp-server","url":"https://apify.com/nexgendata/domain-intelligence-mcp-server?fpr=2ayu9b"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domain-mcp","operator":"rinadelph","operator_domain":"github.com","pricing":"open_source","slug":"rinadelph-domain-mcp","url":"https://github.com/rinadelph/domain-mcp"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-osint-mcp","operator":"robertoyanguas-ops","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-osint-mcp","url":"https://domain-osint-72343955726.us-central1.run.app/mcp/domain-osint"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"domain-ping","operator":"ricardonunesdev","operator_domain":"github.com","pricing":"open_source","slug":"ricardonunesdev-domain-ping","url":"https://github.com/ricardonunesdev/domain-ping"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-radar","operator":"sonwr","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-radar","url":"https://github.com/sonwr/mcp-domain-radar"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-radar","operator":"tudadada","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-radar-d227cf","url":"https://github.com/tudadada/domain-radar"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domain-search-king-mcp","operator":"johnsmalls22-rgb","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domain-search-king-mcp","url":"https://github.com/johnsmalls22-rgb/domain-search-king-mcp"},{"category":"Domain search and name generators","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domain-search-mcp","operator":"dorukardahan","operator_domain":"github.com","pricing":"open_source","slug":"dorukardahan-domain-search-mcp","url":"https://github.com/dorukardahan/domain-search-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domain-tools-mcp-server","operator":"deshabhishek007","operator_domain":"github.com","pricing":"open_source","slug":"deshabhishek007-domain-tools-mcp-server","url":"https://github.com/deshabhishek007/domain-tools-mcp-server"},{"category":"Domain monitoring and expiry","country":"FR","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"domain-watchdog","operator":"maelgangloff","operator_domain":"github.com","pricing":"open_source","slug":"maelgangloff-domain-watchdog","url":"https://github.com/maelgangloff/domain-watchdog"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domainavail","operator":"cloudcorprecords","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domainavail","url":"https://github.com/CloudCorpRecords/domainavail"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domaindrift","operator":"domaindrift.io","operator_domain":"domaindrift.io","pricing":null,"slug":"mcp-registry-domaindrift","url":"https://domaindrift.io/agents"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"domained","operator":"TypeError","operator_domain":"github.com","pricing":"open_source","slug":"domained","url":"https://github.com/TypeError/domained"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domainee","operator":"domainee.dev","operator_domain":"domainee.dev","pricing":null,"slug":"mcp-registry-domainee","url":"https://domainee.dev/mcp"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domainintel-mcp","operator":"bishop81","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-domainintel-mcp","url":"https://github.com/Bishop81/domainintel-mcp"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"domainkit","operator":"aryalabshq","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-domainkit","url":"https://www.npmjs.com/package/domainkit"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"domainstat","operator":"namewiz","operator_domain":"github.com","pricing":"open_source","slug":"namewiz-domainstat","url":"https://github.com/namewiz/domainstat"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domani-cli","operator":"gwendall","operator_domain":"github.com","pricing":"open_source","slug":"gwendall-domani-app","url":"https://github.com/gwendall/domani-app"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"domeneshop-mcp","operator":"martinzachariassen","operator_domain":"github.com","pricing":"open_source","slug":"martinzachariassen-domeneshop-mcp","url":"https://github.com/martinzachariassen/domeneshop-mcp"},{"category":"Domain search and name generators","country":"ES","has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"domscan-mcp","operator":"estevecastells","operator_domain":"github.com","pricing":"open_source","slug":"estevecastells-domscan-mcp","url":"https://github.com/estevecastells/domscan-mcp"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"dug","operator":"dug.unfrl.com","operator_domain":"dug.unfrl.com","pricing":"open_source","slug":"homebrew-dug","url":"https://dug.unfrl.com"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"dug","operator":"unfrl","operator_domain":"github.com","pricing":"open_source","slug":"unfrl-dug","url":"https://github.com/unfrl/dug"},{"category":"SSL certificates and ACME","country":"IN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"eMudhra","operator":"eMudhra","operator_domain":"emudhra.com","pricing":"paid","slug":"emudhra","url":"https://emudhra.com/"},{"category":"Aftermarket and backorder","country":"CN","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Website","name":"eName","operator":"Xiamen eName Technology","operator_domain":"ename.com","pricing":"paid","slug":"ename","url":"https://www.ename.com/"},{"category":"DNS hosting and managed DNS","country":"AT","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"easyname","operator":"easyname","operator_domain":"easyname.com","pricing":null,"slug":"easyname-dns","url":"https://www.easyname.com/"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"email-domain-check","operator":"mehmet-kozan","operator_domain":"github.com","pricing":"open_source","slug":"mehmet-kozan-email-domain-check","url":"https://github.com/mehmet-kozan/email-domain-check"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"encrypted-dns-server","operator":"DNSCrypt","operator_domain":"github.com","pricing":"open_source","slug":"dnscrypt-encrypted-dns-server","url":"https://github.com/DNSCrypt/encrypted-dns-server"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"eurodns-mcp","operator":"jigsawfr","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-eurodns-mcp","url":"https://github.com/JigSawFr/eurodns-mcp"},{"category":"Aftermarket and backorder","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"expired-domain-screener","operator":"PrometheusAgency","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-expired-domain-screener","url":"https://apify.com/prometheusagency/expired-domain-screener"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"express-subdomain","operator":"bmullan91","operator_domain":"github.com","pricing":"open_source","slug":"bmullan91-express-subdomain","url":"https://github.com/bmullan91/express-subdomain"},{"category":"Domain search and name generators","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"fastdomaincheck-mcp-server-python","operator":"bingal","operator_domain":"github.com","pricing":"open_source","slug":"bingal-fastdomaincheck-mcp-server-python","url":"https://github.com/bingal/fastdomaincheck-mcp-server-python"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"fierce","operator":"mschwager","operator_domain":"github.com","pricing":"open_source","slug":"mschwager-fierce","url":"https://github.com/mschwager/fierce"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"free-email-domains","operator":"microlinkhq","operator_domain":"github.com","pricing":"open_source","slug":"microlinkhq-free-email-domains","url":"https://github.com/microlinkhq/free-email-domains"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"freewhois","operator":"joshterrill","operator_domain":"github.com","pricing":"open_source","slug":"joshterrill-freewhois","url":"https://github.com/joshterrill/freewhois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"gadgethumans-mcp","operator":"gadgethumans-dev","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-gadgethumans-mcp","url":"https://www.npmjs.com/package/gadgethumans-mcp"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"gdnsd","operator":"gdnsd","operator_domain":"github.com","pricing":"open_source","slug":"gdnsd-gdnsd","url":"https://github.com/gdnsd/gdnsd"},{"category":"Open-source DNS tools","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"geodns","operator":"abh","operator_domain":"github.com","pricing":"open_source","slug":"abh-geodns","url":"https://github.com/abh/geodns"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"get-ssl-certificate","operator":"johncrisostomo","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-get-ssl-certificate","url":"https://www.npmjs.com/package/get-ssl-certificate"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"gimmecert","operator":"azaghal","operator_domain":"github.com","pricing":"open_source","slug":"azaghal-gimmecert","url":"https://github.com/azaghal/gimmecert"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"github-subdomains","operator":"gwen001","operator_domain":"github.com","pricing":"open_source","slug":"github-subdomains","url":"https://github.com/gwen001/github-subdomains"},{"category":"DNS lookup and propagation","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"globalping","operator":"jsdelivr","operator_domain":"github.com","pricing":"open_source","slug":"jsdelivr-globalping","url":"https://github.com/jsdelivr/globalping"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"globalping-mcp-server","operator":"jsdelivr","operator_domain":"github.com","pricing":"open_source","slug":"jsdelivr-globalping-mcp-server","url":"https://github.com/jsdelivr/globalping-mcp-server"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"gobuster","operator":"oj","operator_domain":"github.com","pricing":"open_source","slug":"oj-gobuster","url":"https://github.com/OJ/gobuster"},{"category":"Domain Connect and DNS automation","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"godns","operator":"TimothyYe","operator_domain":"github.com","pricing":"open_source","slug":"timothyye-godns","url":"https://github.com/TimothyYe/godns"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"gsan","operator":"franccesco.github.io","operator_domain":"franccesco.github.io","pricing":"open_source","slug":"homebrew-gsan","url":"https://franccesco.github.io/getaltname/"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"hakip2host","operator":"hakluke","operator_domain":"github.com","pricing":"open_source","slug":"hakip2host","url":"https://github.com/hakluke/hakip2host"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"hakrevdns","operator":"hakluke","operator_domain":"github.com","pricing":"open_source","slug":"hakrevdns","url":"https://github.com/hakluke/hakrevdns"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"haktrails","operator":"hakluke","operator_domain":"github.com","pricing":"open_source","slug":"haktrails","url":"https://github.com/hakluke/haktrails"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"haraka-plugin-dkim","operator":"haraka","operator_domain":"github.com","pricing":"open_source","slug":"haraka-haraka-plugin-dkim","url":"https://github.com/haraka/haraka-plugin-dkim"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"haraka-plugin-spf","operator":"haraka","operator_domain":"github.com","pricing":"open_source","slug":"haraka-haraka-plugin-spf","url":"https://github.com/haraka/haraka-plugin-spf"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"hickory-dns","operator":"hickory-dns","operator_domain":"github.com","pricing":"open_source","slug":"hickory-dns-hickory-dns","url":"https://github.com/hickory-dns/hickory-dns"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"hostdb","operator":"code.google.com","operator_domain":"code.google.com","pricing":"open_source","slug":"homebrew-hostdb","url":"https://code.google.com/archive/p/hostdb/"},{"category":"DNS hosting and managed DNS","country":"DE","has_api":null,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"hosting.de","operator":"hosting.de","operator_domain":"hosting.de","pricing":null,"slug":"hosting-de","url":"https://www.hosting.de/"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"how.is domain & IP intelligence","operator":"how.is","operator_domain":"how.is","pricing":null,"slug":"mcp-registry-how-is-domain-ip-intelligence","url":"https://how.is"},{"category":"WHOIS and RDAP lookup","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"icann-rdap","operator":"icann","operator_domain":"github.com","pricing":"open_source","slug":"icann-icann-rdap","url":"https://github.com/icann/icann-rdap"},{"category":"Domain Connect and DNS automation","country":"SE","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"inadyn","operator":"troglobit","operator_domain":"github.com","pricing":"open_source","slug":"troglobit-inadyn","url":"https://github.com/troglobit/inadyn"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"ipwhois","operator":"secynic","operator_domain":"github.com","pricing":"open_source","slug":"secynic-ipwhois","url":"https://github.com/secynic/ipwhois"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"is-domain-name","operator":"emilbayes","operator_domain":"github.com","pricing":"open_source","slug":"emilbayes-is-domain-name","url":"https://github.com/emilbayes/is-domain-name"},{"category":"Certificate transparency and recon","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"is-valid-domain","operator":"miguelmota","operator_domain":"github.com","pricing":"open_source","slug":"miguelmota-is-valid-domain","url":"https://github.com/miguelmota/is-valid-domain"},{"category":"URL shorteners and branded links","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Online service","name":"is.gd","operator":"is.gd","operator_domain":"is.gd","pricing":"free","slug":"is-gd","url":"https://is.gd/"},{"category":"Certificate transparency and recon","country":"IT","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"knockpy","operator":"guelfoweb","operator_domain":"github.com","pricing":"open_source","slug":"guelfoweb-knockpy","url":"https://github.com/guelfoweb/knockpy"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"knot-resolver","operator":"knot-resolver.cz","operator_domain":"knot-resolver.cz","pricing":"open_source","slug":"homebrew-knot-resolver","url":"https://www.knot-resolver.cz"},{"category":"Certificate transparency and recon","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"ksubdomain","operator":"boy-hack","operator_domain":"github.com","pricing":"open_source","slug":"boy-hack-ksubdomain","url":"https://github.com/boy-hack/ksubdomain"},{"category":"SSL certificates and ACME","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"lego","operator":"go-acme","operator_domain":"github.com","pricing":"open_source","slug":"go-acme-lego","url":"https://github.com/go-acme/lego"},{"category":"Domain Connect and DNS automation","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"lexicon","operator":"AnalogJ","operator_domain":"github.com","pricing":"open_source","slug":"analogj-lexicon","url":"https://github.com/AnalogJ/lexicon"},{"category":"Domain Connect and DNS automation","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"lucky","operator":"gdy666","operator_domain":"github.com","pricing":"open_source","slug":"gdy666-lucky","url":"https://github.com/gdy666/lucky"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"massdns","operator":"blechschmidt","operator_domain":"github.com","pricing":"open_source","slug":"blechschmidt-massdns","url":"https://github.com/blechschmidt/massdns"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"mcp","operator":"domainposture.com","operator_domain":"domainposture.com","pricing":null,"slug":"mcp-registry-mcp","url":"https://www.domainposture.com/mcp"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"mcp-dns-server","operator":"tobus3000","operator_domain":"github.com","pricing":"open_source","slug":"tobus3000-mcp-dns-server","url":"https://github.com/tobus3000/mcp-dns-server"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"mcp-dnsdumpster","operator":"MaxWeeden","operator_domain":"github.com","pricing":"open_source","slug":"maxweeden-mcp-dnsdumpster","url":"https://github.com/MaxWeeden/mcp-dnsdumpster"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"mcp-dnstwist","operator":"w0h1v","operator_domain":"github.com","pricing":"open_source","slug":"w0h1v-mcp-dnstwist","url":"https://github.com/w0h1v/mcp-dnstwist"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"mcp-domain-auditor","operator":"geekmarine","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-mcp-domain-auditor","url":"https://github.com/geekmarine/mcp-domain-auditor"},{"category":"Domain search and name generators","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"mcp-domain-availability","operator":"imprvhub","operator_domain":"github.com","pricing":"open_source","slug":"imprvhub-mcp-domain-availability","url":"https://github.com/imprvhub/mcp-domain-availability"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"mcp-domain-deliverability-checker","operator":"mambalabsdev","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-mcp-domain-deliverability-checker","url":"https://github.com/mambalabsdev/mcp-domain-deliverability-checker"},{"category":"DNS lookup and propagation","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"mcp-network-tools","operator":"rog0x","operator_domain":"github.com","pricing":"open_source","slug":"rog0x-mcp-network-tools","url":"https://github.com/rog0x/mcp-network-tools"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"mcp-ssl-inspector","operator":"geekmarine","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-mcp-ssl-inspector","url":"https://github.com/geekmarine/mcp-ssl-inspector"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"mcp-whois-domain-lookup","operator":"mambalabsdev","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-mcp-whois-domain-lookup","url":"https://github.com/mambalabsdev/mcp-whois-domain-lookup"},{"category":"Open-source DNS tools","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"mosdns","operator":"IrineSistiana","operator_domain":"github.com","pricing":"open_source","slug":"irinesistiana-mosdns","url":"https://github.com/IrineSistiana/mosdns"},{"category":"DNS lookup and propagation","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"mylg","operator":"mehrdadrad","operator_domain":"github.com","pricing":"open_source","slug":"mehrdadrad-mylg","url":"https://github.com/mehrdadrad/mylg"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"nameservers","operator":"tryghost","operator_domain":"github.com","pricing":"open_source","slug":"tryghost-nameservers","url":"https://github.com/tryghost/nameservers"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"netintel-mcp","operator":"kjgueye","operator_domain":"github.com","pricing":"open_source","slug":"kjgueye-netintel-mcp","url":"https://github.com/kjgueye/netintel-mcp"},{"category":"WHOIS and RDAP lookup","country":"CN","has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"next-whois","operator":"zmh-program","operator_domain":"github.com","pricing":"open_source","slug":"zmh-program-next-whois","url":"https://github.com/zmh-program/next-whois"},{"category":"Open-source DNS tools","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"nextdns","operator":"nextdns","operator_domain":"github.com","pricing":"open_source","slug":"nextdns-nextdns","url":"https://github.com/nextdns/nextdns"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"node-rdap","operator":"dcoffey-zengenti","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-node-rdap","url":"https://www.npmjs.com/package/node-rdap"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"nodemailer-dkim","operator":"andris9","operator_domain":"github.com","pricing":"open_source","slug":"andris9-nodemailer-dkim","url":"https://github.com/andris9/nodemailer-dkim"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"numa","operator":"razvandimescu","operator_domain":"github.com","pricing":"open_source","slug":"razvandimescu-numa","url":"https://github.com/razvandimescu/numa"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"octodns","operator":"octodns","operator_domain":"github.com","pricing":"open_source","slug":"octodns-octodns","url":"https://github.com/octodns/octodns"},{"category":"Domain monitoring and expiry","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"openSquat","operator":"atenreiro","operator_domain":"github.com","pricing":"open_source","slug":"opensquat","url":"https://github.com/atenreiro/opensquat"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"osint-mcp-server","operator":"badchars","operator_domain":"github.com","pricing":"open_source","slug":"badchars-osint-mcp-server","url":"https://github.com/badchars/osint-mcp-server"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"passivedns","operator":"gamelinux","operator_domain":"github.com","pricing":"open_source","slug":"gamelinux-passivedns","url":"https://github.com/gamelinux/passivedns"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"pdns","operator":"powerdns.com","operator_domain":"powerdns.com","pricing":"open_source","slug":"homebrew-pdns","url":"https://www.powerdns.com"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"pdnsrec","operator":"powerdns.com","operator_domain":"powerdns.com","pricing":"open_source","slug":"homebrew-pdnsrec","url":"https://www.powerdns.com/powerdns-recursor"},{"category":"Certificate transparency and recon","country":"FR","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"phishing_catcher","operator":"x0rz","operator_domain":"github.com","pricing":"open_source","slug":"x0rz-phishing-catcher","url":"https://github.com/x0rz/phishing_catcher"},{"category":"DNS hosting and managed DNS","country":null,"has_api":true,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"poweradmin","operator":"poweradmin","operator_domain":"github.com","pricing":"open_source","slug":"poweradmin-poweradmin","url":"https://github.com/poweradmin/poweradmin"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"puredns","operator":"d3mondev","operator_domain":"github.com","pricing":"open_source","slug":"puredns","url":"https://github.com/d3mondev/puredns"},{"category":"DNS lookup and propagation","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"q","operator":"natesales","operator_domain":"github.com","pricing":"open_source","slug":"natesales-q","url":"https://github.com/natesales/q"},{"category":"WHOIS and RDAP lookup","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"quien","operator":"retlehs","operator_domain":"github.com","pricing":"open_source","slug":"retlehs-quien","url":"https://github.com/retlehs/quien"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"rdap","operator":"openrdap","operator_domain":"github.com","pricing":"open_source","slug":"openrdap-rdap","url":"https://github.com/openrdap/rdap"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"rdap-mcp","operator":"mrfentmen","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-rdap-mcp","url":"https://github.com/mrfentmen/awesome-servers"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"rdapper","operator":"jakejarvis","operator_domain":"github.com","pricing":"open_source","slug":"jakejarvis-rdapper","url":"https://github.com/jakejarvis/rdapper"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"react-native-dns-lookup","operator":"tableau","operator_domain":"github.com","pricing":"open_source","slug":"tableau-react-native-dns-lookup","url":"https://github.com/tableau/react-native-dns-lookup"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Open source","name":"reconFTW","operator":"six2dez","operator_domain":"github.com","pricing":"open_source","slug":"reconftw","url":"https://github.com/six2dez/reconftw"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"related-domains","operator":"gwen001","operator_domain":"github.com","pricing":"open_source","slug":"related-domains","url":"https://github.com/gwen001/related-domains"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"scilla","operator":"edoardottt","operator_domain":"github.com","pricing":"open_source","slug":"scilla","url":"https://github.com/edoardottt/scilla"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"sdns","operator":"sdns.dev","operator_domain":"sdns.dev","pricing":"open_source","slug":"homebrew-sdns","url":"https://sdns.dev/"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"sdns","operator":"semihalev","operator_domain":"github.com","pricing":"open_source","slug":"semihalev-sdns","url":"https://github.com/semihalev/sdns"},{"category":"Open-source DNS tools","country":"IN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"serverless-dns","operator":"serverless-dns","operator_domain":"github.com","pricing":"open_source","slug":"serverless-dns-serverless-dns","url":"https://github.com/serverless-dns/serverless-dns"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"shosubgo","operator":"incogbyte","operator_domain":"github.com","pricing":"open_source","slug":"shosubgo","url":"https://github.com/incogbyte/shosubgo"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"showcert","operator":"yaroslaff","operator_domain":"github.com","pricing":"open_source","slug":"yaroslaff-showcert","url":"https://github.com/yaroslaff/showcert"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"shuffledns","operator":"projectdiscovery","operator_domain":"github.com","pricing":"open_source","slug":"shuffledns","url":"https://github.com/projectdiscovery/shuffledns"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"simple-acme","operator":"simple-acme","operator_domain":"simple-acme.com","pricing":null,"slug":"simple-acme","url":"https://www.simple-acme.com/"},{"category":"SSL certificates and ACME","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"simple-acme","operator":"simple-acme","operator_domain":"github.com","pricing":"open_source","slug":"simple-acme-simple-acme","url":"https://github.com/simple-acme/simple-acme"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"sitecheck","operator":"79-108-224-31.sslip.io","operator_domain":"79-108-224-31.sslip.io","pricing":null,"slug":"mcp-registry-sitecheck","url":"https://79-108-224-31.sslip.io/mcp"},{"category":"Open-source DNS tools","country":"CN","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"smartdns","operator":"pymumu","operator_domain":"github.com","pricing":"open_source","slug":"pymumu-smartdns","url":"https://github.com/pymumu/smartdns"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"spf","operator":"youtube","operator_domain":"github.com","pricing":"open_source","slug":"youtube-spfjs","url":"https://github.com/youtube/spfjs"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"spf-parse","operator":"softvu","operator_domain":"github.com","pricing":"open_source","slug":"softvu-spf-parse","url":"https://github.com/softvu/spf-parse"},{"category":"SSL certificates and ACME","country":null,"has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"ssl-autopilot","operator":"odin-labs-ai","operator_domain":"github.com","pricing":"open_source","slug":"odin-labs-ai-ssl-autopilot","url":"https://github.com/odin-labs-ai/ssl-autopilot"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"ssl-checker","operator":"dyaa","operator_domain":"github.com","pricing":"open_source","slug":"dyaa-ssl-checker","url":"https://github.com/dyaa/ssl-checker"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"ssl-labs-mcp","operator":"mrfentmen","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-ssl-labs-mcp","url":"https://github.com/mrfentmen/ssl-labs-mcp"},{"category":"Open-source DNS tools","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"sslip.io","operator":"cunnie","operator_domain":"github.com","pricing":"open_source","slug":"cunnie-sslip-io","url":"https://github.com/cunnie/sslip.io"},{"category":"SSL certificates and ACME","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"ssllabs-scan","operator":"ssllabs","operator_domain":"github.com","pricing":"open_source","slug":"ssllabs-ssllabs-scan","url":"https://github.com/ssllabs/ssllabs-scan"},{"category":"Domain monitoring and expiry","country":null,"has_api":false,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"sslmon-mcp","operator":"firesh","operator_domain":"github.com","pricing":"open_source","slug":"firesh-sslmon-mcp","url":"https://github.com/firesh/sslmon-mcp"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"sslscan","operator":"rbsec","operator_domain":"github.com","pricing":"open_source","slug":"rbsec-sslscan","url":"https://github.com/rbsec/sslscan"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"stack-and-dns-mcp","operator":"mewnah","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-stack-and-dns-mcp","url":"https://github.com/Mewnah/stack-and-dns-mcp"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"stubby","operator":"dnsprivacy.org","operator_domain":"dnsprivacy.org","pricing":"open_source","slug":"homebrew-stubby","url":"https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"sub3suite","operator":"3nock","operator_domain":"github.com","pricing":"open_source","slug":"sub3suite","url":"https://github.com/3nock/sub3suite"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"subfinder","operator":"projectdiscovery","operator_domain":"github.com","pricing":"open_source","slug":"subfinder","url":"https://github.com/projectdiscovery/subfinder"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"sublert","operator":"yassineaboukir","operator_domain":"github.com","pricing":"open_source","slug":"yassineaboukir-sublert","url":"https://github.com/yassineaboukir/sublert"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"supbuddy","operator":"cueplusplus","operator_domain":"github.com","pricing":"open_source","slug":"cueplusplus-supbuddy","url":"https://github.com/cueplusplus/supbuddy"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"technitium-dns","operator":"technitium.com","operator_domain":"technitium.com","pricing":"open_source","slug":"homebrew-technitium-dns","url":"https://technitium.com/dns/"},{"category":"Open-source DNS tools","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"tenta-dns","operator":"tenta-browser","operator_domain":"github.com","pricing":"open_source","slug":"tenta-browser-tenta-dns","url":"https://github.com/tenta-browser/tenta-dns"},{"category":"DNS hosting and managed DNS","country":"US","has_api":true,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"terraform-provider-cloudflare","operator":"cloudflare","operator_domain":"github.com","pricing":"open_source","slug":"cloudflare-terraform-provider-cloudflare","url":"https://github.com/cloudflare/terraform-provider-cloudflare"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"theHarvester","operator":"laramies","operator_domain":"github.com","pricing":"open_source","slug":"laramies-theharvester","url":"https://github.com/laramies/theHarvester"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"tld.expert","operator":"tld.expert","operator_domain":"tld.expert","pricing":null,"slug":"mcp-registry-tld-expert","url":"https://tld.expert"},{"category":"Domain search and name generators","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"tldx","operator":"brandonyoungdev","operator_domain":"github.com","pricing":"open_source","slug":"brandonyoungdev-tldx","url":"https://github.com/brandonyoungdev/tldx"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"tldx","operator":"brandonyoung.dev","operator_domain":"brandonyoung.dev","pricing":"open_source","slug":"homebrew-tldx","url":"https://brandonyoung.dev/blog/introducing-tldx/"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"tls-cert-lifetime-lint","operator":"jmshinhwa","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-tls-cert-lifetime-lint","url":"https://github.com/jmshinhwa/readystack-themes"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"toolvend - utility APIs for agents","operator":"toolvend.dev","operator_domain":"toolvend.dev","pricing":null,"slug":"mcp-registry-toolvend-utility-apis-for-agents","url":"https://toolvend.dev"},{"category":"Certificate transparency and recon","country":null,"has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Open source","name":"tugarecon","operator":"LordNeoStark","operator_domain":"github.com","pricing":"open_source","slug":"tugarecon","url":"https://github.com/LordNeoStark/tugarecon"},{"category":"Domain monitoring and expiry","country":"AU","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"urlcrazy","operator":"urbanadventurer","operator_domain":"github.com","pricing":"open_source","slug":"urbanadventurer-urlcrazy","url":"https://github.com/urbanadventurer/urlcrazy"},{"category":"DNS lookup and propagation","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"vpsnet-mcp","operator":"bacarrdy","operator_domain":"github.com","pricing":"open_source","slug":"bacarrdy-vpsnet-mcp","url":"https://github.com/bacarrdy/vpsnet-mcp"},{"category":"DNS hosting and managed DNS","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"vultr-cli","operator":"vultr","operator_domain":"github.com","pricing":"open_source","slug":"vultr-vultr-cli","url":"https://github.com/vultr/vultr-cli"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"who.is","operator":"who.is","operator_domain":"who.is","pricing":null,"slug":"mcp-registry-who-is","url":"https://who.is/docs/api"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"whois","operator":"hjr265","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-whois","url":"https://www.npmjs.com/package/whois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"whois","operator":"rfc1036","operator_domain":"github.com","pricing":"open_source","slug":"rfc1036-whois","url":"https://github.com/rfc1036/whois"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"whois-api","operator":"hoducha","operator_domain":"github.com","pricing":"open_source","slug":"hoducha-whois-api","url":"https://github.com/hoducha/whois-api"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"whois-json","operator":"mikemaccana","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-whois-json","url":"https://www.npmjs.com/package/whois-json"},{"category":"WHOIS and RDAP lookup","country":"TR","has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Browser extension","name":"whois-lookup","operator":"kemalgoksu","operator_domain":"github.com","pricing":"open_source","slug":"kemalgoksu-whois-lookup","url":"https://github.com/kemalgoksu/whois-lookup"},{"category":"WHOIS and RDAP lookup","country":"JP","has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"whois-lookup","operator":"nlink-jp","operator_domain":"github.com","pricing":"open_source","slug":"nlink-jp-whois-lookup","url":"https://github.com/nlink-jp/whois-lookup"},{"category":"WHOIS and RDAP lookup","country":"IN","has_api":true,"has_frontend":false,"has_mcp":true,"kind":"MCP server","name":"whois-mcp","operator":"bharathvaj-ganesan","operator_domain":"github.com","pricing":"open_source","slug":"bharathvaj-ganesan-whois-mcp","url":"https://github.com/bharathvaj-ganesan/whois-mcp"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"whois-mcp","operator":"mrfentmen","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whois-mcp","url":"https://github.com/mrfentmen/awesome-mcps"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"whois-mcp-server","operator":"cyanheads","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-whois-mcp-server","url":"https://github.com/cyanheads/whois-mcp-server"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Open source","name":"whoiser","operator":"layeredstudio","operator_domain":"npmjs.com","pricing":"open_source","slug":"npm-whoiser","url":"https://www.npmjs.com/package/whoiser"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":false,"has_mcp":false,"kind":"Desktop app","name":"win-acme","operator":"win-acme","operator_domain":"win-acme.com","pricing":null,"slug":"win-acme","url":"https://www.win-acme.com"},{"category":"SSL certificates and ACME","country":null,"has_api":false,"has_frontend":true,"has_mcp":false,"kind":"Desktop app","name":"win-acme","operator":"win-acme","operator_domain":"github.com","pricing":"open_source","slug":"win-acme-win-acme","url":"https://github.com/win-acme/win-acme"},{"category":"DNS hosting and managed DNS","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"workers-sdk","operator":"cloudflare","operator_domain":"github.com","pricing":"open_source","slug":"cloudflare-workers-sdk","url":"https://github.com/cloudflare/workers-sdk"},{"category":"WHOIS and RDAP lookup","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"wwhois.ru domain tools","operator":"wwhois-app","operator_domain":"github.com","pricing":null,"slug":"mcp-registry-wwhois-ru-domain-tools","url":"https://github.com/wwhois-app/whois-mcp"},{"category":"Domain search and name generators","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"x402 Domain Lookup & DNS Email Auth","operator":"x402-dns-auth-checker.microtools-x402.workers.dev","operator_domain":"x402-dns-auth-checker.microtools-x402.workers.dev","pricing":null,"slug":"mcp-registry-x402-domain-lookup-dns-email-auth","url":"https://x402-dns-auth-checker.microtools-x402.workers.dev/"},{"category":"Open-source DNS tools","country":"US","has_api":false,"has_frontend":false,"has_mcp":false,"kind":"Command-line tool","name":"zdns","operator":"zmap","operator_domain":"github.com","pricing":"open_source","slug":"zmap-zdns","url":"https://github.com/zmap/zdns"},{"category":"SSL certificates and ACME","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"zlint","operator":"zmap.io","operator_domain":"zmap.io","pricing":"open_source","slug":"homebrew-zlint","url":"https://zmap.io/"},{"category":"Open-source DNS tools","country":null,"has_api":null,"has_frontend":null,"has_mcp":null,"kind":"Command-line tool","name":"zns","operator":"znscli","operator_domain":"github.com","pricing":"open_source","slug":"znscli-zns","url":"https://github.com/znscli/zns"},{"category":"Email authentication and deliverability","country":null,"has_api":null,"has_frontend":null,"has_mcp":true,"kind":"MCP server","name":"ドメイン番人","operator":"domain-bannin.jp","operator_domain":"domain-bannin.jp","pricing":null,"slug":"mcp-registry","url":"https://domain-bannin.jp/"}]}