We are currently fixing these up, pages has been move recently.
For publishers adserver this is the link http://toutrix.com/adserver/publishers this is found on top of website
For advertisers, this is the page http://toutrix.com/adserver/agencies-and-advertisers

Once you decide to register, you can go ahead to register here http://toutrix.com/media/#/Register
These links are found on top of our website.