The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments are domain names, IP addresses and AS numbers.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object domain: 0.4.2.ip6.arpa organisation: APNIC nserver: apnic.authdns.ripe.net. nserver: apnic1.dnsnode.net. nserver: ns2.apnic.net. nserver: ns3.lacnic.net. nserver: tinnie.arin.net. ds-rdata: 50671 5 1 b6958b03ff15578e480a23396557be8a4232caae ds-rdata: 50671 5 2 33d44e2b184b45c198cbe9896c2310b9a766e2c136848d0ae3d67101cad4e065 whois: whois.apnic.net changed: 2006-10-03 changed: 2018-08-28 source: IANA