osx man page for net::domain

Net::Domain(3pm)					 Perl Programmers Reference Guide					  Net::Domain(3pm)

NAME
       Net::Domain - Attempt to evaluate the current host's internet name and domain

SYNOPSIS
	   use Net::Domain qw(hostname hostfqdn hostdomain domainname);

DESCRIPTION
       Using various methods attempt to find the Fully Qualified Domain Name (FQDN) of the current host. From this determine the host-name and the
       host-domain.

       Each of the functions will return undef if the FQDN cannot be determined.

       hostfqdn ()
	   Identify and return the FQDN of the current host.

       domainname ()
	   An alias for hostfqdn ().

       hostname ()
	   Returns the smallest part of the FQDN which can be used to identify the host.

       hostdomain ()
	   Returns the remainder of the FQDN after the hostname has been removed.

AUTHOR
       Graham Barr <gbarr@pobox.com>.  Adapted from Sys::Hostname by David Sundstrom <sunds@asictest.sc.ti.com>

COPYRIGHT
       Copyright (c) 1995-1998 Graham Barr. All rights reserved.  This program is free software; you can redistribute it and/or modify it under
       the same terms as Perl itself.

perl v5.16.2							    2012-08-26							  Net::Domain(3pm)