Bruno Vieira asked:
I’ve two servers running, one is a webserver and it’s A record on my (external) DNS provider is in the form of:
example.com in A XXX.XX.XXX.171
The other is a mailserver and it’s A record is in the form:
mail.example.com in A XXX.XX.XXX.170
and it’s mx record is in the form:
example.com in MX 10 mail.example.com
How should my DNS reverse (i.e. my ISP provider) resolve:
example.com or mail.example.com?
BTW, this is how my /etc/hosts file looks like:
127.0.0.1 mail.example.com mail example.com ::1 mail.example.com mail example.com
Thanks in advance for all the help
Have both of them matched exactly. i.e.
171 IN PTR example.com. 170 IN PTR mail.example.com.
In fact you can just copy and paste that to your ISP; that’s exactly how it will look in their bind (DNS server) configuration.
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