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: 103.in-addr.arpa organisation: APNIC nserver: apnic.authdns.ripe.net. nserver: ns2.apnic.net. nserver: ns3.lacnic.net. nserver: tinnie.arin.net. ds-rdata: 43843 13 2 4cac1416b25f5006f51a7cdb8d8fdef72fb8d658690ea4fb5bcf1e26ecd012e4 whois: whois.apnic.net changed: 2011-02 changed: 2019-08-05 source: IANA