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: 42.in-addr.arpa organisation: APNIC nserver: APNIC.AUTHDNS.RIPE.NET. nserver: NS3.LACNIC.NET. nserver: TINNIE.ARIN.NET. nserver: ns2.apnic.net. ds-rdata: 21816 13 2 71ae79c305e721633fa917c711fcb847a2f078827e186a19211cf9d4efafbf8a whois: whois.apnic.net changed: 2010-10 changed: 2019-08-05 source: IANA