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:       223.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:     46762 5 1 6dddb47807f26c953ae76b81711be939af05fa67
ds-rdata:     46762 5 2 144a93b23662e521414b3ae19494469123506c43d5cca743a46a476dbb906845

whois:        whois.apnic.net

changed:      2010-04
changed:      2018-08-28
source:       IANA