DNS zone response speed test tool?

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1

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?

Cheers,
-- jra

2

a message of 16 lines which said:

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

Yes, it is called Nanog.

For baylink.com ? Only one real name server and quite slow.

% qtest -n 10 "SOA baylink.com" $(dig +short NS baylink.com.)
148 ns5.baylink.com./69.12.222.27
149 ns6.baylink.com./69.12.222.27

qtest (2.27 KB)

3

http://code.google.com/p/namebench/
  Seems like it may be fun to play with

4

Doesn't do much for long term graphing and monitoring, but for quickie
issue detection or verification, http://www.grc.com/dns/benchmark.htm

...Todd

5

Am I mistaken in thinking that's a tool for measuring the efficiency and
accessibility of *customer resolver* servers, not zone servers?

Cheers,
-- jra

6

Oops, yeah, I was thinking it would do timing of zone servers, but
it's aimed at resolvers. Sorry for the misdirection.

...Todd