On 15 August 2017 at 11:29, King, Harold Clyde (Hal) <h...@utk.edu> wrote:

> How does Bind update the root servers? Does it go out and check, or is a
> release made for each change?
>

Yes. :)

BIND has a compiled-in root hints list that is kept up to date at each
release, which can be overridden with a zone of type 'hint'.   It also does
what's calling "priming queries", which is to contact one of the known root
servers from the hints list, and retrieve and up-to-date authoritative NS
set for the root zone from the root zone itself.
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