Sonic had put the server onto a new IP block for ISP with his server and some things that were hosted on it were temporarily down for the duration. Everything is back up, but for those who may still have no access, DNS propagation can take up to 72 hours (usually within 24-48 hours) to take place and get updated. If for some reason some people still have issues, y'all can visit this link
to find out how to flush DNS cache in Windows Vista/7. The site also has info on other Windows OS, in case Vista/7 is not your primary OS.