Probably, if you have been told you are being migrated. If your server is being migrated server load is probably maxed out. If you know how to log into the shell, or ssh type "uptime" (without the quotes) and tell use the 3 numbers at the end of the line.
Open a ticket if you haven't.
The green name people can guess your domain, but the rest of us can't, but if you tell us we might be able to give more opinions.