WHOIS(1) / WHOIS(1) whois - whois whois [ { -h | --host } HOST ] [ { -p | --port } PORT ] [ -abBcdGHIKlLmMrRx ] [ -g SOURCE:FIRST-LAST ] [ -i ATTR[,ATTR]... ] [ -s SOURCE[,SOURCE]... ] [ -T TYPE[,TYPE]... ] [ --verbose ] [ --no-recursion ] OBJECT whois -q _ whois -t whois -v whois --help whois --version whois RFC 3912. whois . whois.networksolutions.com NIC whois.arin.net IPv4 . -h --host= . -H . -p --port= . -I whois.iana.org whois . IP AS . : IANA . --no-recursion . --verbose . --help . --version . whois.ripe.net RIPE : -a (mirrored). -b IP . -B . ( .) -c IP irt. -d DNS . -g SOURCE:FIRST-LAST SOURCE FIRST LAST. . -G . -i ATTR[,ATTR]... . ATTR OBJECT . -K . members set . organisation person role . -l . -L . -m . -M . -q _ . _ version sources types . -r . -R . -s SOURCE[,SOURCE]... SOURCE. . -q sources . -t TYPE TYPE. -T TYPE[,TYPE]... TYPE. . -v TYPE TYPE. -x . Verisign gTLDs ( .com .net...) domain . nameserver registrar . whois.arin.net IPv4 IPv6 CIDR . whois.nic.ad.jp AS AS. whois.denic.de -T dn. whois.dk-hostmaster.dk --show-handles. RIPE RIPE. . -- ( ). /etc/whois.conf . whois . IDN ACE. whois ASCII . . IDN ASCII. /etc/whois.conf LANG whois.nic.ad.jp whois.jprs.jp LANG LC_MESSAGES . WHOIS_OPTIONS . WHOIS_SERVER . whois.arin.net. whois.conf(5). RFC 3912: WHOIS. RIPE: : . . whois RIPE Ambrose Magee BSD . Whois Marco d'Itri 2 . 3 . . : . Marco d'Itri 30 2019 WHOIS(1)