[Gllug] DNS CNAME usage.

David Damerell damerell at chiark.greenend.org.uk
Mon Mar 20 12:15:33 UTC 2006


On Friday, 17 Mar 2006, Steve Nelson wrote:
>On 3/17/06, Stephen Harker <steve at pauken.co.uk> wrote:
>>Does anyone have an opinion about CNAME usage and using a CNAME record
>>to refer to a canonical name that is not part of the current domain and
>>whether there should be problems associated with this?
>In BIND, CNAME records can be nested up to 8 deep.  By this I mean
>that you can have a CNAME pointing to another CNAME etc etc, but the
>eighth must be the A record.

However CNAME chains are explicitly prohibited and not what Mr Harker
is trying to do.

Perhaps name resolution in the target domain is flaky and the CNAME is
something of a red herring.

-- 
David Damerell <damerell at chiark.greenend.org.uk> flcl?
Today is Gorgonzoladay, March - a weekend.
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