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: 110.in-addr.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: 26887 5 1 e10df6e97f8efc57f96959fe35119cfbf47f99d8 ds-rdata: 26887 5 2 efd83e1e17a6f10ae8b156aed556238ded50c57b29bef3ef535efadeebc4cf01 whois: whois.apnic.net changed: 2008-11 changed: 2018-08-28 source: IANA