"Empty zones" and BIND 9.4

[Chris Buxton]

For the loopback subnet reverse zone, if you want to create a PTR  
record for each possible IP, use a wildcard. So instead of this from  
Mark's example:

1.0.0 PTR localhost.

use this:

*     PTR localhost.

Chris Buxton
Men & Mice

On Jun 18, 2007, at 7:33 AM, Mark Andrews wrote:

>
>> Hi all,
>>
>> There was big discussion about empty-zones feature in BIND >= 9.4  
>> on Red
>> Hat's bugzilla. We have found two problems around this.
>>
>> - RFC 3330 says that loopback could be 127/8. Does anybody here  
>> know how
>> configure 127.in-addr.arpa. zone as described in RFC? $GENERATE
>> directive isn't sufficient for solve this problem.
>
> 	Why would one want to use $GENERATE.
>
> 	zone "127.IN-ADDR.ARPA" {
> 	};
>
> 	@ SOA ..
> 	@ NS ..
> 	1.0.0 PTR localhost.
>
>> - RFC 2181, section 7.3 tells about MNAME record in SOA. It's name of
>> primary server. All empty zones returns name of zone instead primary
>> nameserver (could be "localhost.")
>
> 	No.  It's the name of the primary (only) nameserver.  It just
> 	happens to be the name of the zone as well.  The zone names
> 	are all legal hostnames.
>
> 	draft-ietf-dnsop-default-local-zones-02.txt
>
> 	There are also named.conf options to change what is returned.
>
>> Thanks for any hints,
>> Adam
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org
>
>