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:       153.in-addr.arpa

organisation: Administered by APNIC

nserver:      apnic.authdns.ripe.net.
nserver:      apnic1.dnsnode.net.
nserver:      ns2.apnic.net.
nserver:      ns3.lacnic.net.
nserver:      tinnie.arin.net.
ds-rdata:     55358 5 1 e234f307a6a8787d49dcabb50f7fe4e7ea1effd0
ds-rdata:     55358 5 2 f80bee090b08b592230bbb2af80136c1439aafd5a6a3c7bf3ca42b8756ff0c54

whois:        whois.apnic.net

changed:      1993-05
changed:      2018-08-28
source:       IANA