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: 35314 13 2 46733e4dbbfcf4b267d04b7a8174d05f9d2c30f68e0a4913d449313a3fe587a9 whois: whois.apnic.net changed: 2006-10-03 changed: 2019-08-05 source: IANA