wildcard cnames
Barry Margolin
barmar at genuity.net
Wed Apr 3 15:43:26 UTC 2002
In article <a8ddcu$en7 at pub3.rc.vix.com>, bert hubert <ahu at ds9a.nl> wrote:
>In article <a8cnl5$bhr at pub3.rc.vix.com>, Barry Margolin wrote:
>
>>>Does anybody know of a legitimate use of wildcard CNAME records?
>>
>> One of our customers has a bunch of domains that are all of the form:
>>
>> @ A x.x.x.x
>> * CNAME @
>
>Ok, this one does not add value and is exactly equivalent to
>* IN A x.x.x.x
If x.x.x.x changes, your way would require changing two records, the CNAME
method only requires changing one. That's the general reason for my "Use
CNAMEs whenever feasible" preference -- the more things you have to change,
the more opportunity you have to get it wrong.
--
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
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