"David F. Skoll" <d...@roaringpenguin.com> wrote:
On Thu, 7 Jul 2011 11:50:44 +0200
Matus UHLAR - fantomas <uh...@fantomas.sk> wrote:
Negative caching can be effective or in this case even
ineffective too, can't it?
The point is that by definition, you can't have a per-IP
negative-cache TTL.
On 07.07.11 15:31, Andrzej Adam Filip wrote:
But it is possible to use a wildcard DNS record for "not listed",
is not it? :-)
it can, but it would have no positive effect due to way how wildcards
in DNS work.
The question is: Would it be cost effective?
there would be a cost of returning positive answer instead of negative.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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