[dns-operations] root? we don't need no stinkin' root!

[Jared Mauch]

> On Nov 27, 2019, at 5:26 PM, Florian Weimer <fw at deneb.enyo.de> wrote:
> 
> What's the change rate for the root zone?  If there is a full
> transition of the name server addresses for a zone, how long does it
> typically take from the first change to the completion of the sequence
> of changes?

There are regular changes. 

Resolvers regularly have old data. Survey for old root hints to see how bad they are.