On Apr 18 2016, Dave Warren wrote:
On 2016-04-14 03:02, 'Stephane Bortzmeyer' wrote:
On Thu, Apr 14, 2016 at 11:55:04AM +0300,
Daniel Dawalibi <daniel.dawal...@idm.net.lb> wrote
a message of 22 lines which said:
Do you think it is better to remove it from named.root?
Certainly not, your resolver removes it automatically from the list of
authoritative servers for the zone.
Also, named will add it right back to the in-memory cache (the one that
matters) since it will reach out to one of the hints servers to find the
up to date list of root servers.
The hints file is just a hint of how to find the roots, not an absolute
list of root servers.
In any case, this was only(!) a 9.5 hour outage (2016-04-14 03:00-12:30 UTC).
Any kind of local manual configuration change would have been an inappropriate
response.
I think the only explanation we have seen so far is
https://lists.dns-oarc.net/pipermail/dns-operations/2016-April/014765.html
which is fairly tight-lipped!
--
Chris Thompson
Email: c...@cam.ac.uk
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