DNS zone response speed test tool?

Jay Ashworth jra at baylink.com
Tue Dec 20 15:10:08 UTC 2011

I've put monitoring onto my public website, and by far the largest component
of the response time it gives me is the DNS lookup -- 4-500ms, which seems
entirely unreasonable.

Is there a tool that anyone knows about that will measure the response time
of my zone servers, somewhere on the web?

Is the sum of the times in a dig +trace the proper metric to look at there?

-- jra
Jay R. Ashworth                  Baylink                       jra at baylink.com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates     http://baylink.pitas.com         2000 Land Rover DII
St Petersburg FL USA      http://photo.imageinc.us             +1 727 647 1274

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