The server is still under a heavy DDoS attack. Mitigation has been put in place to try and help with the issue.
We will update this post as soon as we have more information.
2014-05-13 16:45 UTC: The DDoS has subsided and the server is accessible again. We are continuing to monitor.
2014-05-13 19:28 UTC: The server has been stable for about the last 2.5 hours. We will continue to monitor.