I dont know about the address but yes they do charge you $1. It says that you'll get it back but I registered 2 days ago and still didn't received nothing and I can't change dns servers :)
Thank you, I registered and I changed the nameservers but they are still showing the register.com's search page :) "popovi.net" On the other sites changes takes effect after 2 hours and here more than 2 days :laugh: