Reverse IP Lookup

A reverse IP lookup performs a reverse DNS query for an IP address and returns its PTR hostname when one is published. This can help identify the server name associated with an address, verify mail-server configuration, investigate hosting infrastructure, and provide useful information when contacting a network or hosting provider.

Enter a valid IPv4 or IPv6 address to request the reverse record. Not every address has a PTR record, and the returned hostname is controlled by the address owner rather than the website, so it may be generic or outdated. Reverse DNS does not list every domain hosted on a shared server and should not be treated as proof of ownership.