Network Solutions is toast.
That's what you get for being a careless bunch of assholes in the business world. You screw up bigtime and it catches up with you. Except in this case, it is a crank-hopping not-quite-there sleazeball who brings you down.
Here's an interesting thought: what would you do if tomorrow he gave you the domain name "sex.com"? Remember, every newbie who types 'sex' in their browser will end up at your site. I'd probably have a hard time resisting the money of owning it as a link/ad sponsored gateway portal, or just making it an innocuous personal domain site for a fictional 10 year old boy, just to teach the newbies to never trust the Internet.