On 11/06/2010 02:54 AM, Tim Nelson wrote:
> Greetings All-
> 
> I have an odd need for a 'semi-authoritative' DNS server. Let's say I have a 
> zone for 'domain.com' with public DNS servers. However, I wanted to run an 
> internal DNS server for internal things. Public resolution of 
> 'www.domain.com' would yield the public IPs, private resolution of 
> 'www.domain.com' would yield the internal private IPs. Easy enough. BUT, what 
> if there is a DNS record present on the public nameservers that is *not* 
> present on the internal nameserver? Typically, DNS will say 'no record found' 
> when it could really forward the request to the public DNS. Is it possible to 
> configure this? So, the internal 'domain.com' zone will be authoritative for 
> records it has but forward queries for those records it does not have, even 
> on the same domain?
> 

Checkout dnsmasq package.  That will do exactly what you want.

Kal
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