[dns-operations] issue with wiki.mozilla.org

Fri Apr 20 20:56:29 UTC 2018

* A. Schulze wrote:
> I get answers from 8.8.8.8 and 1.1.1.1 but 9.9.9.9 and my own systems  
> return servfail.
> http://dnsviz.net/d/wiki.mozilla.org/dnssec/ doens't look like a clean  
> setup ...

Details behind.
https://lutz.donnerhacke.de/Blog/Outsourcing-mit-Hindernissen

Looks like Infoblox and/or AWS have problems with empty non-terminals.
And Cloudflare and Google have problems with validation.