Known issue with resolving hosts with multiple PTR records?

[Chet Nichols III]

The RHEL4 (update 6) boxes I tested this one worked fine without an issue.
They truncated (as expected), and switched over to TCP. What update of RHEL4
are you running? And, when you to get the timeout, do you have a tcpdump
capturing what nameservers it tried to reach? There might be a nameserver or
two in there that isn't accepting TCP requests. The fact it seems to be
working for a bunch of people might prove that one otherwise, but you never
know. Would there happen to be any firewalls that are blocking 53/TCP,
either incoming or outgoing, from certain subnets?

Good luck- thanks!

Chet


On Tue, Jun 24, 2008 at 3:08 AM, MacShane, Tracy <
Tracy.Macshane at airservicesaustralia.com> wrote:

> > -----Original Message-----
> > From: redhat-list-bounces at redhat.com
> > [mailto:redhat-list-bounces at redhat.com] On Behalf Of Nabeel Moidu
> > Sent: Tuesday, 24 June 2008 3:33 PM
> > To: General Red Hat Linux discussion list
> > Subject: Re: Known issue with resolving hosts with multiple
> > PTR records?
> >
> > On Tue, Jun 24, 2008 at 5:16 AM, MacShane, Tracy
> > <Tracy.Macshane at airservicesaustralia.com> wrote:
> > > I was wondering if RHEL4 has a known problem with returning
> > > multiple PTR records. Carrying out a "host", "dig -x" or
> > > "nslookup" against an IP like 202.92.65.220 results in no
> > > records at all being returned:
> >
> > Its some issue with your server most probably.
> > I can get proper results as below (I've got the same on a
> > RHEL4.0 server also  ) :
> >
>
> Thanks very much for the info. Looks like I'll have to take this up with
> Red Hat support!
>
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chet nichols III
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