How to find the reverse on a IP address?

Tillman Hodgson tillman at seekingfire.com
Fri Jan 16 09:34:12 PST 2004


On Fri, Jan 16, 2004 at 09:28:47AM -0800, Jason Williams wrote:
> Morning everyone.
> 
> I'm having a major brain freeze this morning. I dont recall how to find the 
> reverse for an IP address?
> 
> I need to do some testing with a few IP addresses, to ensure they have 
> valid reverse's set, but dont recall how to check them.
> 
> If I remember, you could do it with both 'nslookup' and 'dig' correct?

Assuming IP address is 1.2.3.4:

dig -x 1.2.3.4

 or from the nslookup prompt:

 > set type=ptr
 > 4.3.2.1.in-addr.arpa.

-T


-- 
Some never participate.  Life happens to them.  They get by on little more than 
dumb persistence and resist with anger or violence all things that might lift 
them out of resentment-filled illusions of security.
	- Alma Mavis Taraza


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