SSyncDev

Whois MCP Server

WHOIS MCP Server - Domain registration lookup using proper WHOIS protocol (port 43). Supports 877+ TLDs with parsing for 169 ccTLDs.

Remote serverstreamable-http

What is the Whois MCP Server?

WHOIS MCP Server - Domain registration lookup using proper WHOIS protocol (port 43). Supports 877+ TLDs with parsing for 169 ccTLDs.

The short version

A Model Context Protocol (MCP) server that provides comprehensive WHOIS domain lookup using the proper WHOIS protocol (TCP port 43). Queries authoritative WHOIS servers directly with support for 877+ TLDs and parsing for 169 country-code TLDs.

  • Native WHOIS Protocol — Direct TCP port 43 connections to authoritative WHOIS servers
  • 877+ TLDs Supported — Comprehensive dictionary of WHOIS servers for all major TLDs
  • 169 ccTLD Parsers — Format-specific parsing for country-code TLDs (.gg, .pl, .jp, .kr, .ru, .de, .it, etc.)
  • Auto-Update — Refresh WHOIS server dictionary from IANA with built-in tool
  • Comprehensive Parsing — Extracts registrar, dates, nameservers, status, DNSSEC, contacts
  • Lightweight — Single-file executable, minimal dependencies

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
whois_lookupLook up domain registration information using the proper WHOIS protocol (port 43).
list_supported_tldsList all TLDs that have WHOIS servers available for querying.
refresh_whois_serversRefresh the WHOIS server dictionary by fetching the latest TLD list from IANA. Run this periodically to ensure the server list is up-to-date with new TLDs.

How to install the Whois MCP Server

{
  "mcpServers": {
    "whois": {
      "command": "npx",
      "args": ["-y", "whois-mcp"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Example prompts to try

  • “Use Whois to whois lookup.”
  • “Use Whois to list supported tlds.”
  • “Use Whois to refresh whois servers.”

Frequently asked questions

WHOIS MCP Server - Domain registration lookup using proper WHOIS protocol (port 43). Supports 877+ TLDs with parsing for 169 ccTLDs. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

Alternatives to the Whois MCP Server

Filesystem

Official

Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.

File Systems & StorageTypeScript★ 63.0k

Context7

Official

Retrieve version-aware library documentation and code examples with Context7 MCP, using resolve-library-id and query-docs.

Documentation & API ReferencesRemoteTypeScript★ 32.0k

Mcpwall

iptables for MCP — blocks dangerous tool calls, scans for secrets, logs everything.

Developer Tools

MCP

MCP server for Bing Webmaster Tools integration

Developer ToolsPython

Microsoft Graph MCP

The maintained single-binary successor to the retiring mgc - every MSP-relevant Microsoft Graph

Developer Tools

Biomart MCP

[Model Context Protocol](https://modelcontextprotocol.io/introduction) (MCP) is an open protocol that standardizes how applications provide context

AI & ML ServicesPython