>I have a Red Hat 7.3 machine running bind 9.0.2.

that's vulnerable, upgrade quick to 9.2.1

>Also have one Win2k box
>running Imail and two other machines running RH 7.3.
>
>On the two RH 7.3 can get PTR, MX, A records using the dig command.
>Everything looks good.
>
>On the Win2k/Imail mail often gets stuck in the queue.  If I run a
>"nslookup servername" it will complain about a "Can't find server name
>for address xxx.xxx.xxx.225:Non Existent domain"

that's good old nslookup being broken, not finding the PTR for the DNS being used.  
put dig on your w2k machine and quick fighting false problems.

Len


www.menandmice.com/DNS-training : DNS Training
BIND8NT.MEIway.com : ISC BIND for NT4 & W2K
IMGate.MEIway.com  : Build free, hi-perf, anti-abuse mail gateways


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