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From Andrzej Adam Filip <andrzej.fi...@gmail.com>
Subject Re: TTL and DNSBLs [per-IP negative-cache TTL]
Date Thu, 07 Jul 2011 13:31:47 GMT
"David F. Skoll" <dfs@roaringpenguin.com> wrote:
> On Thu, 7 Jul 2011 11:50:44 +0200
> Matus UHLAR - fantomas <uhlar@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.

But it is possible to use a wildcard DNS record for "not listed", 
is not it? :-)

The question is: Would it be cost effective?

-- 
[pl>en: Andrew] Andrzej Adam Filip : anfi@onet.eu
I never met a man I didn't want to fight.
  -- Lyle Alzado, professional football lineman

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