Domain name or IP address

Looking up 2600:1f18:5b:d600:ffe4:9429:95e9:6515

Asking the registry. This usually takes a few seconds.

My favorites

Press the heart on a result to keep it here.

Add Ajax Whois to your browser's search engines and look up names straight from the address bar.

/ jumps to the search box and Ctrl+S saves a result to My favorites. All shortcuts