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:       221.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:     35507 5 1 cc5ca52d63116571e8110f677243294a2759b8f1
ds-rdata:     35507 5 2 de3ddcdc28c0d3cc75346141e318bcda61f5c127fffb0c27ad1898e8f28fccfe

whois:        whois.apnic.net

changed:      2002-07
changed:      2018-08-28
source:       IANA