EDIT: The Site is back up as of 4:33pm. About 45 min to an hour down. Cheers.
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Seems to be a recurring issue as of late. NamePros server is down. This is the largest active community on Domains names and always causes a ripple when it goes down. Should not last too long but in the meantime, why not search for a few available domains to register while you are waiting? Enjoy and happy hunting!