17NAS Network Tools

Free MCP server providing network diagnostic tools: IP geolocation lookup, DNS lookup, and IPv6 connectivity check. Published on NPM as 17nas-mcp-server.

GitHub

Documentation

17NAS MCP Server

Free network diagnostic tools as an MCP server. No API key required.

Tools

  • get_ip_info — Public IP info: address, IPv4/IPv6 protocol, country, ASN, location (via 17NAS API)
  • dns_lookup — DNS records (A, AAAA, MX, TXT, NS, CNAME) via DNS-over-HTTPS
  • check_ipv6 — IPv6 reachability: AAAA resolution + TCP connectivity test over IPv6 vs IPv4

Install

npm install
Use with Claude Desktop
json


{
  "mcpServers": {
    "17nas": {
      "command": "node",
      "args": ["/path/to/17nas-mcp/src/index.js"]
    }
  }
}
Links
Website: https://17nas.com
IPv6 Test: https://17nas.com/ipv6-test.php
Registry: https://registry.modelcontextprotocol.io
MIT License.