You probably want to read Paul Vixie's post entitled "ISC statement about
BIND9's recent -P1 releases" from a couple days ago. He talks about the
9.5.0-P1 release.
Paul, btw, you and the ISC folks rock. I want to be you when I grow up.

On Wed, Jul 30, 2008 at 12:45 PM, Walter Gould wrote:

> Since I have had issues running 9.5.0-P1 on our primary DNS server, I
> have been forwarding to a RHEL5 server. However, I have been having
> problems with that as well. The RHEL5 server will answer queries for a
> short period of time (around 5 minutes), but then it will stop resolving
> names resulting in SERVFAIL errors. I have enabled debugging in the
> logs, but see nothing that indicates what may be happening or is going
> wrong.
> Also, I thought it might be an issue with the RHEL bind rpm
> (bind-9.3.4-6.0.2.P1.el5_2), so I downloaded the 9.5.0-P1 source from
> isc and compiled it. And wouldn't you know, when I start it up, the
> same freaking thing happens. Answers request for a few minutes, then
> just gives SERVFAIL.
> With the same named.conf and zone files, named (9.5.0) runs fine on my
> primary DNS server. Does anybody have any ideas, suggestions, or
> brilliant revelations of what might be causing this?
> Thanks in advance,
> Walter