[dns-operations] solutions for DDoS mitigation of DNS

[Stephane Bortzmeyer]

On Thu, Apr 02, 2020 at 05:39:48PM +0800,
 Davey Song <songlinjian at gmail.com> wrote 
 a message of 111 lines which said:

> You said you are managing DNS for your university and your concern
> for secondary DNS is privacy. I'm not sure what exactly the privacy
> concerns are.

RFC 7626.

Also, it may raise issues about integrity/trust/etc. In that case,
DNSSEC certainly helps a lot.