Re: Re[2]: [cobalt-users] DNS reverse address lookup, Raq3i

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Tuesday 29 October 2002 21:27, jale@xxxxxxxxxx wrote:
> >I am not sure if "it's needed", but I know it was in the DNS tutorial
> >I went through when first setting up DNS services on my RaQ's.  I have
> >never run any domains without both MX records....
>
> I always thought it was so you could get mail at user@xxxxxxxxxxxxxx - but
> without it, we still get that kind of mail.
>
> >Maybe someone else can let you know if it's needed to not....
> >
> >If not....this thread has taught me something today that will save a
> >little bit of time down the road.....  :)
>
> That's how I feel on the reverse PTR, I just finished deleting about 150
> DNS entries, 2 for each domain, so now my reverse lookup list is about 10
> entries, which may not even be needed, but I'll leave them in.
>
> Anyone have comments on the 2 MX records?

The MX record gets the mail delivered to your server.
Two are good one for your server and one for a backup server, preferably on a 
different network, in a different part of the world.

The MX record to your server can be any domain that resides on the server.
preferably though a domain that has a ptr record. if your server is 
ns1.domain.com (the main site) then use that for your MX record. It will work 
fine. Some people make a mail.domain.com, it is not necessary.

Ao, you really only need one MX record pointing to a domain that will resolve 
to an IP address on your server!

Gerald
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