Forward zone not working

Alan Clegg alan at
Mon May 16 22:22:10 UTC 2016

On 5/16/16, 5:35 PM, "MegaBrutal" <megabrutal at> wrote:

>2016-05-16 19:45 GMT+02:00 Alan Clegg <alan at>:
>> On 5/16/16, 1:30 PM, "MegaBrutal" <bind-users-bounces at on
>> behalf of megabrutal at> wrote:
>>>I want to have valid reverse & forward hostnames set up
>>>for this /64 subnet.
>> This is silly.  Don't do this.

Because it's too f'n big and nobody cares about PTR records if they aren't
associated with an address that is actively doing something (i.e., outbound
e-mail service).

>Most ISPs set up reverse & forward domain names for pool addresses.

In IPv4 space, sure.

>OK, I'm not an ISP, but it really seems to be a widely accepted and
>endorsed policy, to the point that addresses not having a reverse DNS
>often treated as suspicious.

I promise that the 18,446,744,073,709,551,616 addresses in your /64
aren't doing anything interesting enough for a PTR record to matter.


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