Reverse DNS
Resolve any IP address to its hostname using PTR record lookup. Verify reverse DNS configuration for email servers and network diagnostics.
Run a check to see results
API
POST /api/v1/dns/reverse5(1 vote)
What is Reverse DNS?
Reverse DNS (rDNS) resolves an IP address back to its associated hostname by querying PTR records. This is the opposite of a standard DNS lookup. It is widely used to verify email server identity, investigate suspicious IP addresses, and validate network configurations.