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:       81.in-addr.arpa

organisation: RIPE NCC

nserver:      ns3.afrinic.net.
nserver:      ns3.lacnic.net.
nserver:      ns4.apnic.net.
nserver:      pri.authdns.ripe.net.
nserver:      sns-pb.isc.org.
nserver:      tinnie.arin.net.
ds-rdata:     53735 8 2 b423e1e72f88977a3acc36c3377db8f7a819cf717d6f1977b819ddf7fa11d382

whois:        whois.ripe.net

changed:      2001-04
changed:      2018-03-05
source:       IANA