the server is up and running again - all issues seems to be solved for now. there may be some unscheduled downtimes in the upcoming week(s) though. sorry for the inconvenience that downtime might have caused.
On 01/06/2018 TLSv1.0 and TLSv1.1 are deactivated. Only TLSv1.2 will be supported from that point on. Please check your devices and clients for support and migrate your account to a different server if necessary.