Provided by: inetutils-tools_1.9.4-10build1_amd64 bug

NAME

     dnsdomainname — show DNS domain name

SYNOPSIS

     dnsdomainname [option ...]

DESCRIPTION

     Show the domain part of the system's fully qualified host name.

     The tool uses gethostname(2) to get the host name of the system and getaddrinfo(2) to
     resolve it into a canonical name.  The part after the first period (‘.’) of the canonical
     name is shown.

OPTIONS

     -?, --help
             Give this help list.

     --usage
             Give a short usage message.

     -V, --version
             Print program version.

SEE ALSO

     gethostname(2), getaddrinfo(3)