WhatAnIP.
YOUR DNS TOOLKIT

Reverse DNS Lookup

Find the hostname behind an IP address.

Try 8.8.8.8 or an IPv6 address

REVERSE DNS RESULT

8.8.8.8

IPv4
Hostnames returned by reverse DNS
TypeHostnameTTLForward check (FCrDNS)
PTR dns.google 5m300 seconds Matches IP

Forward confirmation checks whether each hostname resolves back to 8.8.8.8. A match confirms the DNS mapping; it does not verify the owner or the safety of a website.

Reverse DNS name 8.8.8.8.in-addr.arpa

FROM ADDRESS TO NAME

A different view of your connection.

Reverse DNS returns the hostname published for an IP address. It can help identify mail servers and understand network logs. It does not list every website hosted on that IP.

EXPLORE MORE

DNS Lookup

Have a domain name? Explore its public DNS records.