[CentOS] Split dns issues

[Jason Pyeron]

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of John R Pierce
> Sent: Monday, August 03, 2009 12:34
> To: CentOS mailing list
> Subject: Re: [CentOS] Split dns issues
> 
> Jason Pyeron wrote:
> > I like the idea about the cname. Can a cname be used as a 
> host for a MX record?
> >   
> 
> CNAME's can only be used for things that only have an A 
> record.  for example, you can't use a CNAME for a domain, 
> which needs a SOA, A, NS, MX record.


Not sure if you are ACKing or NAKing?

Pdinc.us mx 1 smtprelay.pdinc.us
Smtprelay.pdinc.us cname spamscan.google.com

Spamscan.google.com does have an A record, and ought not to have a MX, etc.

> 
> 
> in general, CNAME's should be avoided except when absolutely 
> neccessary.


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