reverse dns configuration for IPV4, IPV6+ dns+ mail ?

Matus UHLAR - fantomas uhlar at
Mon Jun 19 08:42:44 UTC 2017

>On 06/19/2017 08:51 AM, Matus UHLAR - fantomas wrote:
>>long story short:
>>>>>>in the "" zone:
>>>>>>126   IN   PTR
>>quoting your original message:
>>>What should I put for IPV4 reverse address : if I put, the
>>>reverse address will not point on, and if put, the
>>>reverse dns will not point on, and I shall have mail
>>you will not have problem. who told you that?

On 19.06.17 09:51, Pierre Couderc wrote:
>Thnk you, but your way of shortening the story ignores the IPV6. 

Yes, because the IPv6 is separate from IPv4 here. IPv6 is not a problem:
two different IPv6 addresses, two different AAAA records, one PTR for
"mail", and one PTR for "ns".

>If I do what you say reverse IP for DNS will point on 
>and not on

I have asked you twice:


There are only a few services on the net who currently use reverse DNS
records. SMTP is the most important. DNS servers do not check that.

Matus UHLAR - fantomas, uhlar at ;
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