GameServers.com said:
We are aware of the issue affecting this server box and are working to have it resolved asap. It is not only affecting your server, but all the other customers who have a subscription from the box your server is running from.
Sorry chaps, they've given me absolutely no clue as to what the problem is, they've just acknowledged it's fuxxed. I'll be keeping an eye on the ticket all day and will let you know when it's back working.