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: 20m 33s Forward-confirmed (FCrDNS): one.one.one.one resolves back to 1.1.1.1

Network operator: AS13335 · Cloudflare

Question and response

Question
dig @one.one.one.one. 1.1.1.1 PTR
Answer
1.1.1.1.in-addr.arpa.	1233	PTR	one.one.one.one.
Authority
Additional

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.