Reverse DNS

Hi.

How can I make sure that my mail server have reverse DNS?

Jacob

"friis" <webcom.dk@gmail.com> writes:

> How can I make sure that my mail server have reverse DNS?

Use either one of host(1), dig(1) or nslookup(1) to verify that your
mail server has reverse DNS. If it doesn't you probably have to talk
to your system administrator or your ISP depending on how you do
things at your site.

--
Jacob

If my mail server have the hostname smtp.myname.com how can I check
that I have rdns?

"friis" <webcom.dk@gmail.com> writes:

> If my mail server have the hostname smtp.myname.com how can I check
> that I have rdns?

Get the IP address of your mailserver by typing 'host
smtp.myname.com'. Let's say it returns 1.2.3.4.

Then you type 'host 1.2.3.4'. It will either fail or give you the
reverse DNS name for your mail server.

Another time, don't obfuscate DNS names. It's much easier to help you
if you don't.

--
Jacob