Problems accessing BCTS

Since I've gotten a new computer, I've had problems accessing BC with both Firefox and Explorer (up to date versions).

The only thing that has changed is that I'm running Windows 7 now instead of XP. All other sites I try to access work normally.

The error messages I receive are either "Problem accessing page cannot connect to server" or "DNS Lookup Error" once I refresh about a dozen times I get through, but it's getting old real quick. Anyone else having a problem or know of a solution?