[OFF-TOPIC] Question about ClouDNS (and others') ALIAS records
Karl Auer
kauer at biplane.com.au
Tue Mar 26 12:44:15 UTC 2024
On Tue, 2024-03-26 at 08:00 -0400, Victoria Risk wrote:
> We have a knowledgebase article on the topic of ‘alias’ records:
> https://kb.isc.org/docs/aa-01640. The article is a bit out of date,
> but still basically valid. It is not specific to the implementation
> you mention however.
Thanks! That was very much spot on.
It suggests a reason why someone might say an ALIAS is faster than a
CNAME; it's because the authoritative server does its own lookup. A
recursive querier does not have to get the CNAME back then do another
query. Seems like a bit of a line ball to me.
Regards, K.
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au, he/him)
http://www.biplane.com.au/kauer
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