[outages] US Naval Observatory DNS failures

[Stephane Bortzmeyer]

On Thu, Nov 21, 2019 at 01:38:24PM +0000,
 Tony Finch <dot at dotat.at> wrote 
 a message of 16 lines which said:

> There was a discussion about the USNO DNS brokenness on the tz list
> in July - see thread starting at
> https://mm.icann.org/pipermail/tz/2019-July/028293.html

Clearly, some of the authoritative name servers for navy.mil are also
authoritative for usno.navy.mil (aa flag in the answer). Others are
not and, since there is no proper delegation from navy.mil, they reply
NXDOMAIN.

This is incredibly amateurish.