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:      ns2.apnic.net.
nserver:      ns3.lacnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     12301 5 1 fa8c375025f577c68b8f1bd51e45e01acdef5a7b
ds-rdata:     12301 5 2 988603faee821af9d96de412f9bffb3a4d1212fbd1a2ffd7f73f9d414d1b155b

whois:        whois.apnic.net

changed:      2006-01
changed:      2018-08-28
source:       IANA