We are investigating why the server is not accessible. We will update as soon as we have more information.
2016-01-06 04:09 UTC: Apologies for the delays, we’re working with our datacenter to remedy the situation as soon as possible.
2016-01-06 13:53 UTC: Due to a hardware failure we are in the process of replacing the server. We will update this post as the work progresses.
2016-01-06 17:58 UTC: The hardware has been replaced and the server is back online.