[dns-operations] g.root-servers.net UDP service

Stephane Bortzmeyer bortzmeyer at nic.fr
Fri Apr 15 10:39:00 UTC 2016

On Fri, Apr 15, 2016 at 05:35:47AM -0500,
 Stefan <netfortius at gmail.com> wrote 
 a message of 43 lines which said:

> If it was still part of the anycast,


> wouldn't some systems still continue hitting it?

No, all DNS resolvers remember the non-responsive servers and stop
using them. As a side benefit, they also remember the RTT so they can
use the fastest server. (From time to time, they try the others, to
see if there was a change.)

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