BIND9 reverse delegation

[Doug Barton]

Jesse DeFer wrote:
> 
> Hello,
> 
> I have noticed that BIND9 handles reverse lookups differently than
> BIND8.  It doesn't seem to let you 'over-ride' reverse entries that have
> been delegated, in the parent.
> 
> In my master zone file for 192.143.in-addr.arpa. I have the 143.192.3.
> network delegated to a wins server:
> 
> 3       IN      NS      wins.chotel.com.
> 
> Also in the 192.143.in-addr.arpa. zone file, there are entries for
> specific servers:
> 
> 49.3    IN      PTR     felix.chotel.com.
> 
> BIND8 handles lookups for 143.192.3.49 by returning felix.chotel.com,
> BIND9 appears to handle this by passing the query to wins.chotel.com
> which fails.
> 
> Can anybody shed some light on this?  Have I been doing it wrong all
> along and it's been 'fixed' in BIND9?

	Assuming you have no errors in your zone file, this looks like a bug.
What you are doing is definitely legal, I do it myself for some of our
customer reverse zones. 

Doug