fdnscname - resolve the canonical name of a host
fdnsname will attempt to look up the canonical name of hostname. If one is found, it is printed to standard output and the program exits with return code 0. If not, nothing is printed and the program exits with return code 1.
Ian Gulliver <firstname.lastname@example.org>
libfiredns(3) 2004-02-12 fdnscname(1)