Reverse DNS lookup
IP todomain
Find the reverse DNS hostname published for a public IPv4 or IPv6 address using its PTR record.
Public targets only
Private, loopback, and reserved IP ranges are rejected.
Resolver failover
Google Public DNS and Cloudflare DNS are tried automatically.
Short-term cache
Recent results are cached to keep repeat checks fast.
Lookup result
Ready to check
Results will appear here after your lookup.
