Mcp Server Dns

@ofershap

About Mcp Server Dns

No overview available yet

Config

Add this server to your MCP-compatible client using the configuration below.

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

Tools

Look up DNS records for a domain. Returns A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, or PTR records.

Perform a reverse DNS (PTR) lookup on an IP address.

Resolve all common DNS record types (A, AAAA, MX, TXT, NS, CNAME) for a domain in one call.

Get the nameserver (NS) records for a domain.

Query WHOIS data for a domain. Uses IANA and follows referrals to registrar WHOIS servers.

Overview

What is Mcp Server Dns?

A MCP server that provides DNS lookups (A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, PTR), reverse DNS, WHOIS queries, and domain checks. It uses Node.js built-in DNS module and public WHOIS servers, requiring no API keys or configuration. Designed for developers and AI assistants.

How to use Mcp Server Dns?

Run npx mcp-server-dns or configure as an MCP server in Claude Desktop, Cursor, VS Code, or any MCP client using the provided JSON configuration. The server exposes five tools: dns_lookup, reverse_dns, resolve_all, check_nameservers, and whois.

Key features of Mcp Server Dns

DNS lookups for A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, PTR records.
Reverse DNS (PTR) lookup on IP addresses.
Resolve all record types with a single call using resolve_all.
WHOIS queries with IANA referral following.
Nameserver (NS) record checks for domains.
Zero configuration – no API keys or accounts needed.

Use cases of Mcp Server Dns

Debug email delivery by checking MX records for a domain.
Investigate a suspicious URL by looking up its WHOIS information.
Verify domain setup by querying nameserver and other DNS records.
Perform reverse DNS lookups to map IP addresses to hostnames.
Quickly resolve multiple record types in one request during development.

FAQ from Mcp Server Dns

What records can I look up?

You can look up A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, and PTR records using the dns_lookup tool, or resolve all common records at

Frequently asked questions

What records can I look up?

You can look up A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, and PTR records using the `dns_lookup` tool, or resolve all common records at

Comments

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