My host has informed me that there's going to be some unavoidable downtime on Saturday, March 7, at 4pm UTC (so 11am EST, which is server time) to apply a security patch to their servers. I've also setup this link which will serve as a countdown so that you don't have to think about the timezone nonsense:
Countdown to downtimeThe game will be completely inaccessible during this time. Note that the downtime window is 2 hours, but it might not actually take that long. Sorry for the inconvenience.