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. By submitting any personal data, you acknowledge and agree that the personal data submitted will be processed in accordance with our Privacy Policy, and you agree to abide by the website Terms of Service.


% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       231.in-addr.arpa

organisation: Multicast

nserver:      a.iana-servers.net.
nserver:      b.iana-servers.net.
nserver:      c.iana-servers.net.
nserver:      ns.icann.org.
ds-rdata:     29146 8 1 771b525050b6ba56cf765b161a101ef5e42ea359
ds-rdata:     29146 8 2 5ca49b4d4dc089f4f7a52418684f210064689c9c3f9d93af891d42bdea3049b5
ds-rdata:     55834 8 1 7f1c3071454addc928e2c01479c3d0406e554eba
ds-rdata:     55834 8 2 f32cee5c85b226c71cd4f368817286205fb053cae93db3ca223ef18a76c36487

changed:      1981-09
changed:      2015-06-05
source:       IANA