Walkthrough: you publish DS, you wait, you query from three looking glasses, and only then you retire the old KSK. Not the other way around.
JO
Walkthrough: you publish DS, you wait, you query from three looking glasses, and only then you retire the old KSK. Not the other way around.
Add a fourth looking glass that is not in the same anycast cloud as the first three.
Atlas probes in cupboards count. The one behind the NAS is my favourite pessimist.