[dns-operations] auth servers in different TLDs

[Stephane Bortzmeyer]

On Tue, Apr 17, 2018 at 09:46:01AM -0400,
 Bob Harold <rharolde at umich.edu> wrote 
 a message of 153 lines which said:

> On the other hand, anyone who compromises any of the TLD's that you
> use for NS records would be able to compromise your domain, so it
> could be a disadvantage to use several TLD's.

Luckily, there is a technical solution for this problem, DNSSEC.