Tools
Free DNS tools. No login required. Pick one below.
DNS Lookup Tool
Look up any record type for a domain against its authoritative nameservers or a public resolver like Google or Cloudflare.
DNS Resolver Comparison
Compare authoritative DNS with Google, Cloudflare, Quad9, and OpenDNS to spot stale or inconsistent answers.
Reverse DNS (PTR) Lookup Tool
Find the hostname an IPv4 or IPv6 address resolves back to.