Actually, if ICANN is trafficking in Moltke.xxx then ICANN is your defendant. Don’t care what their disclaimers say.
Yes and no (mostly No, I’m afraid).
You can get ICANN to block and remove the contested .xxx domain.
But ICANN is NOT responsible for any damage-causing or illegal content published at such a domain (think ‘kiddy porn’). Even the webhosting companies that store the content on their servers are not. Otherwise there would be no more ICANN (or ATT, or Comcast, or...) today.
Damaging (or illegal) content is the responsibility of the domain owner. Who is the one that must be sued for damages. Sorry, but that’s just the way it is, and - for practical reasons - rightly so. (Or would you expect ICANN et al to scourge through millions and millions of websites (every day!) to make sure that there is not one shred of damaging/illegal content published? How could they possibly do this?)