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

[Matus UHLAR - fantomas]

On 19.06.17 08:03, Pierre Couderc wrote:
>Ok, thank you all, now I need to understand your answers...

long story short:

>>>>in the "125.124.123.in-addr.arpa" zone:
>>>>
>>>>126   IN   PTR   mail.xxx.com.

quoting your original message:
> What should I put for IPV4 reverse address : if I put mail.xxx.com, the
> reverse address will not point on ns.xxx.com, and if put ns.xxx.com, the
> reverse dns will not point on mail.xxx.com, and I shall have mail problem.

you will not have problem. who told you that?

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