[Cialug] Inconsistent consistently long DNS lookup times

Colin Burnett cmlburnett at gmail.com
Mon Mar 8 09:43:30 CST 2010


On Mon, Mar 8, 2010 at 9:40 AM, Corey Chandler <lists at sequestered.net> wrote:
> On 3/7/10 10:42 PM, Colin Burnett wrote:
>
>> I would be happy to provide more information but I'm not entirely
>> should what is appropriate and I could easily flood this with
>> thousands of lines of strace.  :)  Where do I go from here?!
>>
> Realtime packet capture.  Fire up wireshark or tcpdump on the box, see
> what's going on on the wire.  Is it taking 6 seconds to send a query?
> Is the first query not getting returned?  Is it never sending a query at
> all?  Etc.

Excellent, thanks!  I hadn't thought of doing that.  I will have to
give it a shot later today when I get a chance.


Colin


More information about the Cialug mailing list