If they just paid their renewal today, it might take a day or longer for all of the DNS servers throughout the world to return a valid address for that domain. Many DNS servers cache name records (or the lack of a record, in this case) for a period of time.

We might be looking at sometime tomorrow before being able to use again.

If there were any doubt that calling BlackHawk's IT department is run by a bunch of nitwits, there is zero room for doubt now.