Cloud Zoo seems offline

Hi,
for me the licensing suddenly is not working, without any windows update.
The “Fetching license from Coloud Zoo…” takes a lot of time, I hit cancel, I succesfully log in with my email, than again the “Fatching license…” is started with unexpected error, the request to McNeel’s license servers resulted in a server error.
Windows / drivers and other stuffs are upgraded.
Any suggestions?