WHOIS MCP Server

Example Use Cases

• 1

  Perform accurate and comprehensive WHOIS domain lookups using the native WHOIS protocol.

• 2

  Integration with MCP-compatible clients such as Claude Desktop for domain research.

• 3

  Regularly updated WHOIS server data supporting a wide range of generic and country-code TLDs.

Description

This MCP server queries authoritative WHOIS servers directly over TCP port 43, supporting over 877 TLDs including 169 country-code TLDs with format-specific parsers. It offers detailed domain registration data extraction such as registrar info, dates, nameservers, status, and DNSSEC. The server is lightweight, easy to integrate with MCP-compatible clients like Claude Desktop, and includes an auto-update feature for WHOIS server dictionaries from IANA.