nanog mailing list archives

Re: Intermittent incorrect DNS resolution?


From: Erik Levinson <erik.levinson () uberflip com>
Date: Wed, 16 Jan 2013 17:33:44 -0500

True...I did try 4.2.2.2 / 8.8.8.8 and some local ones here. All looked fine.

With anycast / DB and other backend clusters / load balancing / whatever else behind the scenes, it's hard to get a good idea of what's actually happening.

Might be stuck with running this infra for a while longer and seeing if the traffic disappears eventually.

On 16/01/13 05:25 PM, Christopher Morrow wrote:
On Wed, Jan 16, 2013 at 5:24 PM, Erik Levinson
<erik.levinson () uberflip com>  wrote:
Yes, though I tried way less than 1000 in the loop.


:)

given a large list of recursives you could even test resolution
through a bunch of recursive servers...


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