Facebook post-mortems...

Wed Oct 6 08:59:17 UTC 2021

Bjørn Mork wrote:

> Removing all DNS servers at the same time is never a good idea, even in
> the situation where you believe they are all failing.

As I wrote:

: That facebook use very short expiration period for zone
: data is a separate issue.

that is a separate issue.

 > This is a very hard problem to solve.

If that is their policy, it is just a policy to enforce and not
a problem to solve.

							Masataka Ohta