On 30 Oct 2025, at 3:31 pm, Randy Bush <randy@psg.com> wrote:

The surprising thing to me about this is that anybody thinks this is
surprising. Evi Nemeth wrote about this over 20 years ago.

indeed

but a question.  what are one or two simple things that operators could
do to have useful impact?

again: one or two.  simple.  impact.

Great question Randy. For a bind resolver adding 

     zone "." { type mirror; };

to your local configuration will have a useful impact. simple. immediate.

I'm sure other resolver code bases have similar switches,

Geoff