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:       103.in-addr.arpa

organisation: APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      ns2.apnic.net.
nserver:      ns3.lacnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     32644 5 1 b8c825bae8cda356632d6ab85e34c6801c09d420
ds-rdata:     32644 5 2 09672df659e9ef1a379af544c693b6c3b544d0c76e5886284e916fd092485ad7

whois:        whois.apnic.net

changed:      2011-02
changed:      2018-08-28
source:       IANA