listing all hostnames?

Mark_Andrews at Mark_Andrews at
Sun Jan 12 23:39:32 UTC 2003

> Is there any way to list all the hostnames corresponding to a
> particular IP address? When I do a 'ping -a' to my IP address the
> hostname that comes back is the one assigned by my ISP, however I have
> registered a couple of other domain names that also resolve to my IP,
> is it possible to run a command to list all such aliases?

	No.  Anyone in the world can add CNAMES and/or a A / AAAA records	
	that refer to your machine.  There is no way to find them all.

> thanks!

Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at

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