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:       203.in-addr.arpa

organisation: APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      dns1.telstra.net.
nserver:      ns2.apnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     57568 5 1 73f3060243558535e2ce19b3b79fb737aa44b556
ds-rdata:     57568 5 2 e5234190c43cb05ceaf61af63f451a529c93b7183188c5656bf0046dcce1b337

whois:        whois.apnic.net

changed:      1993-05
changed:      2018-08-28
source:       IANA