dnsdomainname - show DNS domain name

dnsdomainname [OPTION...]

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
give a short usage message
print program version

Written by Simon Josefsson.

Report bugs to <bug-inetutils@gnu.org>.

Copyright © 2023 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

gethostname(2), getaddrinfo(3)

The full documentation for dnsdomainname is maintained as a Texinfo manual. If the info and dnsdomainname programs are properly installed at your site, the command

info dnsdomainname

should give you access to the complete manual.

December 2023 GNU inetutils 2.5