reverse dns configuration for IPV4, IPV6+ dns+ mail ?
Matus UHLAR - fantomas
uhlar at fantomas.sk
Mon Jun 19 08:42:44 UTC 2017
>On 06/19/2017 08:51 AM, Matus UHLAR - fantomas wrote:
>>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
>>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 mail.xxx.com
>and not on ns.xxx.com.
I have asked you twice:
WHO TOLD YOU THIS IS A PROBLEM? IT IS NOT!
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 fantomas.sk ; http://www.fantomas.sk/
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