fdnsnamep man page on DragonFly

fdnsnamep man page on DragonFly

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fdnsnamep(1)							  fdnsnamep(1)

NAME
       fdnsnamep - resolve an IPv4 or IPv6 address to a hostname with paranoid
       checking

SYNOPSIS
       fdnsname <IP address>

DESCRIPTION
       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, the program checks  to  make
       sure  that  the	hostname has a corresponding A or AAAA record pointing
       back to the supplied IP.	 If so, the hostname is	 printed  to  standard
       output and the program exits with return code 0.	 If the paranoid check
       fails, nothing is printed and the program exits with return code 3.  If
       no  hostname  is	 found,	 nothing is printed and the program exits with
       return code 1.

AUTHOR
       Ian Gulliver <ian@penguinhosting.net>

SEE ALSO
       libfiredns(3)

				  2004-02-13			  fdnsnamep(1)

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