The reverse DNS tool performs a reverse DNS lookup of an IP address you entered by searching domain name registry and registrar tables. If you want to identify a person with an IP, IP itself does not reveal any human readable information. If you use this tool, you might be able to identify the domain name of spam email server or the domain name of a host caught by your firewall. You may also be able to determine the name of the internet service provider (ISP) assigned to a given IP address.
Please wait, each lookup might take a little while.
The IP address you provided ('') does not seem to be a valid IP address. IP address in IPv4 composes of exactly 4 number within range from 0 to 255 separated by periods. For instance, IP address of one (of many) Yahoo! servers is '220.127.116.11'. Please, try again.
Please note that we are still in the process of creating the actual website - like adding new features and making existing tools even better. We need your feedback and suggestions. Please go to the contact us section and email us. Any kind of thought will be very appreciated. We are looking forward to your comments!