The service status for the outage that started at 8:00am Tuesday January 21 states that the problem has been fixed since 8:30am today:
Update 20200122 8:30am GMT+8: All Customer sites now available. Minor interruptions (under 60s) may occur during the day as supporting systems are restored
My site is still down (36 hours). I have repeatedly requested an explanation from Support with no response. Is there anyone who knows what is going on?