dnsdomainname1
Show dns domain name
Usage
dnsdomainname [OPTION ...]
Overview
Show domain part of the system's fully qualified host name.
The tool uses gethostname to get the host name of the system and getaddrinfo to resolve it into a canonical name. The part after the first period ('.') of the canonical name is shown.
-
-?, --help -
give this help list
-
--usage -
give a short usage message
-
-V, --version -
print program version
Releases
18 releases since Debian 1.2 (Rex); the text changed 12 times.
--usage since Arch Linux 2026-11-01;
-? since Arch Linux 2026-11-01.
--alias until Debian 13 (Trixie);
--all-fqdns until Debian 13 (Trixie);
--all-ip-addresses until Debian 13 (Trixie);
--boot until Debian 13 (Trixie);
--domain until Debian 13 (Trixie);
--file until Debian 13 (Trixie);
--fqdn until Debian 13 (Trixie);
--ip-address until Debian 13 (Trixie);
--long until Debian 13 (Trixie);
--nis until Debian 13 (Trixie);
--short until Debian 13 (Trixie);
--verbose until Debian 7 (Wheezy);
--yp until Debian 13 (Trixie);
-A until Debian 13 (Trixie);
-F until Debian 13 (Trixie);
-I until Debian 13 (Trixie);
-a until Debian 13 (Trixie);
-b until Debian 13 (Trixie);
-d until Debian 13 (Trixie);
-f until Debian 13 (Trixie);
-h until Debian 13 (Trixie);
-i until Debian 13 (Trixie);
-s until Debian 13 (Trixie);
-v until Debian 7 (Wheezy);
-y until Debian 13 (Trixie).