Whois Lookup MCP tool

Network tool

MCP findutils:whois_lookup

Return WHOIS-style registration data for a domain from the public RDAP service: registrar, creation, update and expiry dates, EPP status codes, nameservers and DNSSEC state.

Needs an API key. Running a tool needs an API key. Keys are not for sale yet: ask for early access. About API keys

Open the tool Try it

Arguments

application/json

domain

string required

Registered domain name, e.g. "example.com". A URL is accepted; only the hostname is used.

Example arguments

Verified

{
  "domain": "example.com"
}

claude mcp add findutils --transport http https://mcp.findutils.com/ --header "Authorization: Bearer YOUR_API_KEY"

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY"
      }
    }
  }
}

curl -X POST https://mcp.findutils.com/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "whois_lookup",
      "arguments": {
        "domain": "example.com"
      }
    }
  }'

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/whois-lookup/execute.

REST reference

Rate limit: 120 a minute, per IP
Auth: API key
REST id: whois-lookup
MCP name: whois_lookup
Category: Network
Machine-readable: openapi.json · markdown.md

This tool fetches a fixed, hard-coded public upstream, never a private host. Results depend on that upstream.

Arguments

Example arguments

More Network tools

More to explore