"Unknown" Causes:
Unexpected or unannounced maintenance (emergency or critical work)
Networking issue with upstream provider
DDoS attack (even in the protected locations, there is a limit to which a DDoS can be protected)
Other causes, please inquire within
Feel free to submit a ticket so we can help you and provide you with additional information.
https://survivalservers.com/support/
Otherwise, this is the thread you can post in and we