BIND 9 needs both forward and reverse

[Owen McShane]

Interestingly, this would appear to tie in with a problem our customers have 
with querying the name servers belonging to fasthosts.co.uk

If anyone wants to try, use a Bind 9.1.0 server to:

dig fasthosts.co.uk soa

then try the same thing on a Bind 8.x server

dns.fasthosts.co.uk does not have reverse.

Cheers,

Owen

> 
> 
> 	Whatever the real cause of your problem is, this isn't it.
> 
> 	Perhaps if you tell us which servers and queries you are
> 	having problems with we may be able to tell you what is
> 	wrong.
> 
> 	Mark
> 
> > 
> > FYI.
> > 
> > It seems that BIND 9.x will not query nameservers that don't have forward
> > AND reverse lookup entries for the host machine.
> > 
> > BIND 9 will check for both before querying and if both are not found then
> > the query will not take place.
> > 
> > We had problems after upgrading with customers not being able to reach
> > domains hosted on nameservers without a successful reverse, BIND 8 didn't
> > seem to care.
> > 
> > Anyone else come across this?
> > 
> > Andy Francis
> > 
> > 
> > 
> --
> Mark Andrews, Nominum Inc.
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com
> 
> 


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