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: ns1.apnic.net. nserver: ns2.lacnic.net. nserver: ns3.apnic.net. nserver: tinnie.arin.net. ds-rdata: 34582 5 1 cad3c02d7109c01224f265d2bf4b8892cc31a12a ds-rdata: 34582 5 2 452a54439811ebc3f12152e99bbe0f5bee291e6b092aeb93deb7c15b2161c36d whois: whois.apnic.net changed: 2006-10-03 changed: 2017-05-30 source: IANA