[TriLUG] What is the correct reverse dns set up for multiple domains on one server?

[Igor Partola via TriLUG]

Unlike forward DNS, reverse DNS is controlled by whoever controls the IP
address, not the domain name. In other words, you would need to get TWC to
create a PTR for you. Having PTR records in your own zone does nothing.
Since TWC is unlikely to do this for you, I think this might be a dead end.

Having said that, did you already set an SPF policy, etc.? You can actually
specify that DHCP-based domain name as a valid address to send email from
for your custom domain. Alternatively, use a hosted SMTP server for sending
email, where you can se the PTR record yourself.

Igor

On Wed, Oct 28, 2015 at 3:41 PM, Mark Fowle via TriLUG <trilug at trilug.org>
wrote:

> Can anyone enlighten me what the easiest way to do this is ?  Seems my
> email from the hosts is bouncing and it appears my assigned IP from TWC
> resolves to them as a dhcp IP.  Should I just remove all PTR records from
> my zone files ?
>
> Thanks,
> Mark
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