Re: nscd and DNS cache

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On 05/16/2012 03:33 AM, Ed Greshko wrote:
On 05/16/2012 04:27 PM, JD wrote:
I have used dnsmasq as well, and communicated with it's author
a couple of years ago.
But as I recall, it did not seem to help much, as I observed that
browsing to a website with just a couple of minutes lapse time,
FF showed on the status line it was  looking up the domain.
Perhaps the cache expiry was set to a very short  time?


2 things may be coming into play.....

1st it "could" be that there is a cache time setting in dnsmasq.

2nd the owners of a domain, and by definition, who control the settings of the master
DNS server for their domains set up a TTL for their records.  If they set this to a
low value you may see this problem.  As a mater of fact, I've seen cases where the
TTL has been set to as low as 300 seconds.
Interesting point. Hard to believe that  most domain controllers would that.
Must be a small  percentage?
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