Reverse DNS lookup for 1.1.1.1
We queried the PTR record at 1.1.1.1.in-addr.arpa..
The hostname of 1.1.1.1 is one.one.one.one
TTL: 9m 49s Forward-confirmed (FCrDNS): one.one.one.one resolves back to 1.1.1.1
Network operator: AS13335 · Cloudflare
Question and response
dig @one.one.one.one. 1.1.1.1 PTRAnswer
1.1.1.1.in-addr.arpa. 589 PTR one.one.one.one.AuthorityAdditional
Find the domain name for another IP address
With reverse DNS lookup, you can find the domain name for any IP address. When you enter an IPv4 or IPv6 address in the input field below, it will show the canonical domain name for that IP address.