Unless someone has a really nice DNS monitoring add-on that they can share, my suggestion for carefully monitoring DNS latency would be to use Smokeping:
http://oss.oetiker.ch/smokeping/
It does a better job at DNS latency as it will send many queries over a shorter period of time and graph them in a really useful way.
On 13 February 2015 at 01:17, Mark Felder <feld at feld.me> wrote:
my suggestion for carefully monitoring DNS latency would be to use Smokeping:
Smokeping is totally awsome, and I've seen it do DNS monitoring well before (and something I'm planning on implementing soon). The BIG benefit of smokeping is that it displays its graphs so you can see even little problems at a glance.
Of course any "probe" technology will only provide a small sample of the queries. The BIND stats file provides a break-down of latency in ranges of which can be turned into a graph.
J
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feld＠feld.me
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jlaidman＠rebel-it.com.au