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:       133.in-addr.arpa

organisation: Administered by APNIC

nserver:      A.DNS.JP.
nserver:      B.DNS.JP.
nserver:      D.DNS.JP.
nserver:      E.DNS.JP.
nserver:      F.DNS.JP.
nserver:      G.DNS.JP.
ds-rdata:     27280 8 1 26786902c907ee745d2fad7544be4c7b2e755710
ds-rdata:     27280 8 2 710ea1df21193b8541b4a0e9f335b7b66dfdc6c614384a41623e564828c4c293

whois:        whois.apnic.net

changed:      1997-03
changed:      2017-01-25
source:       IANA