Open the terminal and type lookupd -flushcache
> From: Darich Runyan/OMNI INFOSEC LTD HQ <email@hidden>
> Date: Sat, 30 Oct 2004 19:06:23 -0400
> To: Bob Smith <email@hidden>, StargateSG1 <email@hidden>
> Cc: Untitled <email@hidden>
> Subject: Re: DNS Problem
>
> Interesting. I just posted recently asking about how to clear the DNS
> server cache on OS X 10.3.5 in my beginning efforts to diagnose this exact
> problem. It does seem to be mainly related to Safari; however, I have seen
> it manifested in nslookup and dig as well. A quick tcpdump run on the DNS
> server shows slow resolution on the server side with the server finally
> attempting to respond to the client request after the client has timed out
> the source request UDP ports. The second attempt, when the user hits the
> enter button again gets an immediate response because the request was
> actually fulfilled, just really late. I have found it to be at its worse,
> unable to resolve 80%+ of requests on the first attempt, when the DNS server
> is acting in a recursive role but it still shows up when forwarding, just
> not as often.
>
> Darich
>
>
>> From: Bob Smith <email@hidden>
>> Date: Sat, 30 Oct 2004 17:01:44 -0500
>> To: StargateSG1 <email@hidden>
>> Cc: Apple OSX Server <email@hidden>
>> Subject: Re: DNS Problem
>>
>>
>> On Oct 30, 2004, at 4:41 PM, StargateSG1 wrote:
>>
>>> Secondary isn't handling it either, not long enough for the standard
>>> timeout, you can wait 1 or 2 seconds and hit enter in Safari or some
>>> other browser and it'll work right away.
>>
>> There's a least some indication that this may be a Safari issue even
>> though it looks like classic slow DNS symptoms. I've noticed this much
>> more lately as well. The first time I go to a site.... just about any
>> site... in Safari I get the server not found message very quickly.
>> Reload and it loads quickly as normal. DNS for everything else I'm
>> doing seems just fine. Here's a thread about it on Macfixit. No
>> conclusions, just lots of reports from others of the same thing.
>>
>> http://www.macfixit.com/article.php?story=20041029084540172
>>
>> Bob Smith
>>
>> Accurate Image Bob Smith Photographer Waco Texas USA
>> http://www.accurateimage.org
>>
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>Re: DNS Problem (From: Darich Runyan/OMNI INFOSEC LTD HQ <email@hidden>)
