||FreeBSD General Commands Manual
fdnsname - resolve an IPv4 or IPv6 address to a hostname
fdnsname will attempt to look up a single hostname for IP address (which
is an IPv4 address in dotted-quad format or an IPv6 address in colon-seperated
format). 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 <email@example.com>
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