[dns-operations] help with a resolution

[Stephane Bortzmeyer]

On Wed, Jan 08, 2020 at 08:56:41AM +0800,
 William C <william at uubeta.com> wrote 
 a message of 59 lines which said:

> Can you help check why public nameservers (all 8.8.8.8, 1.1.1.1, 9.9.9.9
> etc) can't resolve this domain?

As explained by several experts, this domain is DNSSEC-broken. This
has nothing to to with the public resolvers (on my own local resolver,
it fails as well), any resolver which validates signatures (they
should all do it) will have the same problem.