Per,

I just want to throw in the following:

In case you want to subdelegate a part of a PTR zone, this seems to be the 
recommended way to do it:

https://simpledns.com/kb/77/how-to-sub-delegate-a-reverse-zone

jeroen, any comment on this?

cheers

Ralph
----- Am 30. Mai 2018 um 16:44 schrieb Per Jessen per.jes...@enidan.ch:

> According to RFC1034 and 2181, a PTR record using a CNAME is not
> permitted.  I believe this to still be correct, postfix certainly
> doesn't work with a CNAME when it does a reverse lookup.
> 
> 
> Any comments?
> 
> 
> thanks.
> Per
> 
> --
> Per Jessen, Zürich (28.6°C)
> http://www.dns24.ch/ - free dynamic DNS, made in Switzerland.
> 
> 
> 
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