Hello everyone,
If someone at admin.ch read this before it is too late, please check your DNSSEC config.
All admin.ch domains and subdomains are unresolvable due to an errors in your DNSSEC.
More infos here:
or here:
https://dnssec-debugger.verisignlabs.com/admin.ch
or here:
https://dnsviz.net/d/admin.ch/dnssec/
Best regards
Samuel