Reverse DNS (PTR) Lookup

Check the PTR (reverse DNS) hostname for an IP.

Reverse DNS (PTR) lookup allows you to associate an IP address with its hostname when a PTR record is configured. It is commonly used to identify servers, validate email configurations, or troubleshoot network-related issues.

Simply enter an IPv4 or IPv6 address to display the associated domain name, if a reverse DNS record exists.

Reverse DNS (PTR) Lookup

Enter an IP address to retrieve its PTR hostname (reverse DNS). PTR records are set by the network owner and may be missing.