i use 1.4.2 on windows 2019 and its DNS server as DNS
i want to know how can i add PTR record on reverse zones for each DNS record add by solidcp to Windows DNS server?
i expect to add PTR record automatically when i add a record to my forward zone.
Unfortunatly SolidCP does not support reverse zones at this moment.
As it’s generally only recommended per IP and not multiple domains per IP (it’s possible but not recommended) we so far did not have anyone developing PTR support.
but PTR is so important for some record such mail qnd smtp to work not as spam
please add this feature in next version
it is a big problem for us as manully add ptr record for mail host
Normally for smtp the recommended practise is to use the smtp hostname of the host (which is normally one) such as mx1.myhost.com, mx2.myhost.com
To use your own mx1.mydomain.com ontop of that is never going to be good for spam, certificates will not match for TLS delivery. helo / reverse dns will often mismatch, and if you have multiple reverse dns for 1 ip only some will follow it alot of others do not support more then 1 ptr record per ip.
practically , i use Plesk and Cpanel , they add PTR record for many domain for just one IP , and it is working very well to prevent to jeject sent mail as spam by other mail server on the world.
if solidcp can do it in next versions , it will be a great step in growing to reach the goal of not being spam in other mail server. other steps is to set DKIM and Dmarc and …
Well, there’s plenty of discussions of multiple PTR records under a single IP such as: https://serverfault.com/questions/618700/why-multiple-ptr-records-in-dns-is-not-recommended
In general it remains not recommended as simply put: alot of software just expects a single name back, not multiple.
However SolidCP is opensource, so anyone can contribute reverse dns support (or dkim. dmarc is already supported since it’s just a txt record much like spf).
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