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That's weird...it worked fine up until a few minutes ago...now I get "NOTICE: This domain name expired on 2/4/2015 and is pending renewal or deletion."
If you're on a windows box you can try opening up a command window and entering:
ipconfig /flushdns
That'll clear any entry in your local DNS cache. If you still don't get it, then the domain now needs to make its way through the DNS system. You could also be affected by web server caches.
Next achievement beyond that is "get a wake-up call at 2:45 am saying your free service is down with a demand to get it back up and running NOW". Did that with UNIX shell boxes in the mid-1990's.