domain-lookup-mcp

Domain name lookup service, first via [RDAP](https://en.wikipedia.org/wiki/Registration_Data_Access_Protocol) and then as a fallback via [WHOIS](https://en.wikipedia.org/wiki/WHOIS)

Author

dotemacs

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Tools 1

Last Updated 2026-02-19

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`domain-lookup-mcp`

MCP server to look up domain names via rdap(1) and then whois(1).

How to use it?

Checkout the repo
build it: go build ./...
Point your MCP client at the binary:

{
  "mcpServers": {
    "domain-lookup-mcp": {
      "command": "/path/to/domain-lookup-mcp/domain-lookup-mcp",
      "args": [],
      "env": {}
    }
  }
}