DomainKit

DNS records, SSL certificate, WHOIS/RDAP and website tech scan for any domain. Free tier, RapidAPI key.

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Hosted MCP Server

npx add-mcp 'https://domainkit-dns-ssl-whois-website-tech-lookup.p.rapidapi.com/mcp'

Installs into Claude Code, Codex, Cursor and more

Documentation

DomainKit - DNS, SSL, WHOIS & Website Tech Lookup