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Date: Thu, 08 Feb 2001 16:01:30 -0800
From: "H. Peter Anvin" <hpa@transmeta.com>
Organization: Transmeta Corporation
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To: "Michael H. Warfield" <mhw@wittsend.com>
CC: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: DNS goofups galore...
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> 
> > Wouldn't that be true for any CNAME anyway?
> 
>         That's the point...
> 
>         In other words, you do a lookup, you start with a primary lookup
> and then possibly a second lookup to resolve an MX or CNAME.  It's only
> the MX that points to a CNAME that results in yet another lookup.  An
> MX pointing to a CNAME is almost (almost, but not quite) as bad as a
> CNAME pointing to a CNAME.
> 

There is no reducibility problem for MX -> CNAME, unlike the CNAME ->
CNAME case.

Please explain how there is any different between an CNAME or MX pointing
to an A record in a different SOA versus an MX pointing to a CNAME
pointing to an A record where at least one pair is local (same SOA).

	-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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