Problem with NAT/RDR in PF

Erik Norgaard norgaard at
Sun Dec 9 15:34:38 PST 2007

Michael Smith wrote:
> Hello All:
> I am trying to configure a round-robin group of Name Servers that  
> respond on to and from a single address.
> I want the following to occur:
> 1) DNS query from to is redirected to a pool  
> of name servers
> 2) One of the name servers responds to the query
> 3) The response shows a source address of, not the actual  
> name server

I know this does not answer your question, but, what's the point? DNS 
isn't exactly the kind of task that knocks over a server. If you want 
redundancy, then the correct way to do it is to add NS entries to your 
zone files.

I simply let my register transfer the zone file daily, works fine. If 
you need to update the zone file regularly just reduce the max age of 
the zone.

Cheers, Erik

Erik Nørgaard
Ph: +34.666334818                 

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