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Re: Failed lookups
From: Mark Derrick
Date: Thursday, September 21, 2000
Time: 1:36:28 am
After several hours of playing with the server, I eventually reinstalled OS9
and the problem went away. Not sure what was causing the problem, but
somehow it looked as if it only had a single TCP connection available, and
if that was busy doing one look-up, then all other look-ups failed!
Hope I never see that problem again!
--
Mark Derrick - Computer Warehouse Group.
1 Amalgamated Drive, West Cross Centre, Great West Road,
Brentford, Middlesex TW8 9EZ
Tel: 020 8400 4345 - Fax: 020 800 9444
> From: Men & Mice Support <cbuxton@menandmice.com>
> Reply-To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Date: Wed, 20 Sep 2000 11:14:16 -0700
> To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Subject: Re: Failed lookups
>
> At 11:13 AM +0100 9/20/00, Mark Derrick wrote:
>> Hi,
>> I'm hoping someone can help with a problem that's just started to occur.
>> We're using Q-DNS Pro 2.2.1 and it's worked fine for several months, but
>> over the last couple of days it has started to return DNS errors for domains
>> we know exist! (Macromedia.com, adobe.com, etc)
>>
>> The logs just show the several attempts it makes:
>> Sep 20 11:11:23 Query: "macromedia.com." - requested from
>> "212.240.96.120:32768"
>> Sep 20 11:11:24 Query: "macromedia.com." - requested from
>> "212.240.96.120:32768"
>> Sep 20 11:11:25 Query: "macromedia.com." - requested from
>> "212.240.96.120:32768"
>> Sep 20 11:11:27 Query: "macromedia.com." - requested from
>> "212.240.96.120:32768"
>> Sep 20 11:11:31 Query: "macromedia.com." - requested from
>> "212.240.96.120:32768"
>>
>> About 1 in every 10 lookups are successful, and there doesn't appear to be
>> any pattern as to which ones will go through.
>> For example, it will resolve Apple.com, but won't resolve akamai.net!
>
> Mark,
>
> Have you changed anything in the configuration of the server that
> might have caused this? Anything at all?
>
> If not, please send us your QuickDNS Data folder for investigation.
> Please compress it before sending, and email it to
> <mailto:support@menandmice.com>.
> ____________________________________________________________________
> Chris Buxton Men & Mice
> cbuxton@menandmice.com We Make DNS Easy!
>
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