CNAME records having MX

[Michael Kjorling]

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Actually, a CNAME cannot be mixed with any other record types within
the same RRset (except for the DNSSEC record types KEY, SIG and NXT) -
either it's a CNAME or it's something else.

The (in)famous "CNAME and other data" making itself known.


Michael Kjörling


On Dec 10 2001 13:43 -0500, Joseph S D Yao wrote:

> On Mon, Dec 10, 2001 at 01:33:17PM -0500, Michele Chubirka wrote:
> > Is it true that a CNAME record can't have an MX record associated with it?
> > Am I remembering this correctly?
>
> Neither side of an MX record may also be the left-hand side of a CNAME
> record.  So the following are both invalid.
>
> cruncher	MX	mail
> mail		CNAME	grinch
>
> cruncher	MX	grinch
> cruncher	CNAME	cluster

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Michael Kjörling  --  Programmer/Network administrator  ^..^
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