[Pdns-users] Reverse DNS

[Peter van Dijk]

Hello,

On Mar 1, 2013, at 14:52 , Juergen Ilse wrote:

> On  Thu, 28 Feb 2013 11:36:27 -0500 Jay Zeemer <jzeemer at hotmail.com> worte:
>> I am running Power DNS on an ubuntu server, and everything seems to be working correct except I have reverse DNS configured and delegated, but for some reason my reverse dns response is a CNAME for in-addr.arpa instead of my PTR records domain name.
>> 
>> Thanks for any and all assistance.
> 
> Have a look at RFC2317 for further explanation:
> In case of reverse-delegation for networks smaller than /24, the common
> practice is to fill in an "additional label" using CNAMEs instead of 
> PTR records.


This 'common practice' is broken, ugly and unnecessary. It is also, indeed, common, and probably explains at least part of what you are seeing.

Kind regards,
-- 
Peter van Dijk
Netherlabs Computer Consulting BV - http://www.netherlabs.nl/