Even though the old Kartbook website now is temporarily back online I would not trust it anymore. It appears someone has taken advantage of the fact that the original owner let Kartbook.net domain name expire, and registered it themselves (essentially now grabbing control of the website.
I would seriously suggest no longer posting here and use the new website I am setting up at https://www.kartbook.net.au
Check old kartbook registration details for yourself:
BE WARNED - this may not be healthy to be here anymore.
See you on the new website (still under construction.