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Error: When I add PTR Record for Reverse DNS

Hurkan

New Pleskian
My mails are gone to spam folder. So i searched some tools and i saw my server is a problem:
"Reverse DNS Resolution - No PTR Record found"

Now i try to add reverse dns to my server over plesk. (Plesk 12 Ubuntu)
But there is an error.

A Record is ok:
mail.data.com. A 12.34.56.789

But there is an error, when i want to add a PTR record at DNS Settings.
789.56.34.12.in-addr.arpa PTR mail.data.com

Isn't it true place for add reverse dns? Or what is the error i don't understand?

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Hello,

In the filed IP address u must specify an IP, numeric...see example
Please try 789.56.34.12 if that is your IP.
I had a similar issue with a dedicated IP, /32 the only way to set PTR was /24 with same IP.

Cheers
 
Thank you @pdsolutions1

My ip is 12.34.56.789
I have a ptr record:
12.34.56.789/24 PTR data.com

I want to add reverse dns...

This one is acceptable for plesk:
789.56.34.12 / 24 PTR mail.data.com
so if i enter this for reverse dns do you think it is correct?

Main question:
How do I configure reverse DNS/PTR Records?
I search all forums but i can't find solution.
 
Last edited:
Ok i find another solution. İ did it.
I enter reverse dns (789.56.34.12.in-addr.arpa) over my hosting firm ips control panel.
 
U must be carefull, there are a lot of DNS registry that u'll need to manage directly from your hosting provider, even if u have BIND installed as primary on a dedicated, VPS, dedicated cloud server...
Those records usually are DKIM, SPF (TXT), NS, MX... I don't know what is your configuration but in my case, if i need to add a SPF record, creating one in Plesk will not work!

Use http://mxtoolbox.com/ in order to debug your DNS records

Cheers
 
It is useful to note here that for servers running on a single (1) IP address that the notation for the subnet mask requires /32 .

For servers running on a pair (2) of IP addresses the notation the subnet mask required is /30
 
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