DNS Records

[Adam Lang]

You're correct about the MX and bush.  people will be sending mail to
@rutgersinsurance.com and not to @mail.rutgersinsurance.com.

So does that mean then

bush     A    38.138.71.194
www    cname    bush
mail        cname    bush

is ok?

Adam Lang
Systems Engineer
Rutgers Casualty Insurance Company
http://www.rutgersinsurance.com
----- Original Message -----
From: "Kevin Darcy" <kcd at daimlerchrysler.com>
To: <bind-users at isc.org>
Sent: Friday, April 06, 2001 3:18 PM
Subject: Re: DNS Records


>
> Adam Lang wrote:
>
> > I'm sort of iffy on what is and isn't good practice.
> >
> > I have a server that houses email and web.  Say the hostname is bush.
Is it
> > ok to do something like this:
> >
> > bush     A    38.138.71.194
> > www    cname    bush
> > mail        cname    bush
> >             mx    bush
> >
> > That way, if I ever separate the servers, I just change what the cname
> > points to?  Or should I have individual A records for each of them?
>
> You have broken the "CNAME and other data" rule. "mail" owns a CNAME
record,
> therefore it cannot own a record of any other type.
>
> What exactly were you trying to accomplish, anyway, by making "mail"
*both* a
> CNAME for "bush" *and* an MX record with "bush" as its target?
>
> Of course, the syntax for the MX record is hosed also. You forgot the
> preference-value field.
>
>
> - Kevin
>
>
>