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:       120.in-addr.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:     49753 5 1 1db291131dfdcb14e0d3208183616501a44fd39d
ds-rdata:     49753 5 2 8f12e69beaeda74a41526cbe0d27d4eddd91b05c7e68d87246b9dfbb6f71a97d

whois:        whois.apnic.net

changed:      2007-01
changed:      2017-05-30
source:       IANA