Dns Resolver

Perform detailed DNS lookups, check record types, and verify DNS propagation across multiple servers.

modbender Updated 12 repo stars

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DNS Lookup

Query and analyze DNS records for any domain.

Capabilities

  • Record Lookup: Query A, AAAA, MX, TXT, CNAME, NS, SOA, PTR records
  • Propagation Check: Query multiple public DNS servers to verify propagation
  • Reverse DNS: Look up PTR records for IP addresses
  • WHOIS: Basic domain registration info

Usage

Ask the agent to:

  • "Look up DNS records for example.com"
  • "Check MX records for gmail.com"
  • "Has DNS propagated for newsite.com?"
  • "Reverse DNS lookup for 8.8.8.8"

How It Works

Uses dig, nslookup, and whois:

dig example.com ANY +noall +answer
dig @8.8.8.8 example.com A
dig @1.1.1.1 example.com A
dig -x 8.8.8.8

Requirements

  • dig or nslookup (from dnsutils/bind-utils)
  • Optional: whois
  • No API keys needed

modbender/skill-library-mcp/tree/main/data/dns-resolver commit cf1fd75f1d

Frequently asked questions

npx skillmds@latest add modbender/dns-resolver