Developer-Tools
WhoisXML API
by Whois API, Inc.
Overview
The WhoisXML API MCP server brings WhoisXML's full data catalog into Claude. Investigate suspicious domains, map subdomain footprints, look up IP geolocation, query historical WHOIS records, and check threat intelligence — all from a chat session. Tool surface: WHOIS, Domain Availability, Domain Reputation, Categorization, IP Geolocation, IP Netblocks, Reverse IP, DNS Lookup, Subdomains, WHOIS History, Reverse WHOIS, threat intelligence, and more — 32 read-only tools backed by WhoisXML API. Built by WhoisXML API — domain, IP, and DNS intelligence provider since 2010. Connect with your WhoisXML API key via OAuth; usage is billed against your own WhoisXML account.
