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:       123.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:      ns4.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     54062 5 1 78ea47256db944033e0c27d0b78cf89a8219a106
ds-rdata:     54062 5 2 a1c7e4b768b809e9b722947b4675660cfdf5622279270cd39e9571262d0f5254

whois:        whois.apnic.net

changed:      2006-01
changed:      2016-05-27
source:       IANA