We are currently working with the data center in troubleshooting connectivity issues on one of their shared servers. This is the primary server we utilize for our clients' sites. All clients on that server seem to be affected, but the physical server itself seems to be running fine. Full connectivity should be restored within an hour or two of this post.
Keep checking at host.ruggieroav.net; if you can reach that site, know that other sites on the server are reachable as well.
Apologies for the inconvenience.