Originally Posted by RawAlex

Ahh, wait. I think I may know the issue:

You bought an expired domain. Some of the registrars have been allowing domains to be registered internally before the redemption period is complete. The guy who owned it before you may have come back and renewed it (as was his right) and it reverted back to him.

What was the original expiry date, and when did you buy it, and is the person on the whois now greatly different from before you bought it?