I guess with a two letter domain name, they're probably not a fly-by-night scammer, but this would sure be a great way to get a list of names to grab for ransom.
How do we know that the site won't pore through the submitted names and domain squat?<p>(EDIT NOTE: I had a moment of self doubt and looked up "pore" vs. "pour." <a href="http://www.dailywritingtips.com/poring-over-pore-and-pour/" rel="nofollow">http://www.dailywritingtips.com/poring-over-pore-and-pour/</a>)