batch reverse dns lookup

[Barry Margolin]

In article <cal692$2cgs$1 at sf1.isc.org>,
 Richard Peiper <rpeiper at waca.com> wrote:

> 	Say I have an entry in my DNS which points to a machine which no
> longer exists. And I don't take it out because I am lazy and can't manage my
> DNS properly? In theory you could make a much more complex system of
> nslookup with reverse mapping and then a ping test to generate a status for
> each entry... Hmm... considering the state of the DNS server I inherited I
> might just have to look into that one.

It seem like this attempt is likely to have many false negatives, due to 
machines that are shut down or disconnected from the network at the time 
you run the script.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***