The server is currently under a heavy DDoS attack. Mitigation has been enabled to help with the issue. We will continue to monitor and will update when we have more information. 2014-07-12 07:30 UTC: The DDoS has subsided and the server is back online. 2014-07-12 10:05 UTC: The DDoS is intermittent, there may be further issues pending further updates.
2014-07-13 1830 the DDoS attack has resumed. We are working with our upstream provider to mitigate the attack.
2014-07-15 17:43 UTC: this issue now being tracked on a separate post.