How to query two forwarders, even if the first one gave a negative answer?

[Mark_Andrews at isc.org]

> 
> Hi,
> 
> my server is connected to the internet as well as to a company network. 
> The company network provides its own dns server that resolves local 
> names to their local ip addresses. My server is running bind9-9.1.3-252. 

	BIND 9.1.3 is well passed its "use by" date.
	http://www.isc.org/products/BIND/bind-security.html

> I put the companies dns server and the one from my ISP into the 
> forwarders option of the named.conf. Unfortunately bind does not query 
> the companies dns server after getting  a negative answer from the ISPs 
> dns server.
> 
> Do I have to set up a separate zone for the companies network? Or is 
> there an option to tell bind to query all the servers available in the 
> forwarders variable?

	You have to do selective forwarding.  See zone type forward.

	Mark
> 
> H. Faber
> 
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org