Hi guys,
Yes, I'm seeing that too. It appears that West Coast ATC's servers are having some kind of internet problem at the moment, and that's where the Master Server is right now. I'm not able to get to their main web server either.
This affects FSHostSpy (it won't be able to get a list of FSHost servers) and also FSHost (you'll get an error saying it wasn't able to register with the Master Server). You can still connect to an FSHost server if you know its IP address though.
I'll check with West Coast ATC and see if they're aware of the problem. I'll let you know when I hear something.
Thanks,
Russell