On Thu, Feb 08, 2001, Michael H. Warfield <mhw@wittsend.com> wrote:
> But, wait a minute. CNAME -> CNAME is a "must not". MX -> CNAME
> is a "should not". The "should not" leaves it to be implimentation
> dependent and not an outright ban. Sooo...
Actually, I had this conversation recently. I checked a variety of
places and I couldn't find an RFC that said CNAME -> CNAME is a "must
not". In fact I found this snippet in rfc1912 which seems to imply that
it is legal:
Also, having chained records such as CNAMEs pointing to CNAMEs may
make administration issues easier, but is known to tickle bugs in
some resolvers that fail to check loops correctly. As a result some
hosts may not be able to resolve such names.
*shrug*
JE
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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:13 EST