Help with MX records and CNAME records

[Pete Ehlke]

On Mon, Jul 22, 2002 at 11:06:30AM -0400, scn1691 at attglobal.net wrote:
> 
> SO the question here is with cname for abc.def.com as abc.lb.def.com  can I
> also have an separate MX entry so that when queried on MX for abc.def.com I
> still get a response back.
> 
No. If you have a CNAME record, you may not have any other record
referencing the same node (with the exception of some DNSSEC related
records). If your load balancer claims to do DNS but cannot publish an
MX record, you need a new load balancer, as this one is irretrievably
broken.

-Pete