Welcome to HBH! If you had an account on hellboundhacker.org you will need to reset your password using the Lost Password system before you will be able to login.
tracking challenge 1 - need help finding the host/domain
Here's a good Article for this challenge…
http://www.hellboundhackers.org/articles/362-Tracking-1-and-2.html
Regards, Zer0Man