Should I, or should I not sign up for this one?

When botnetters get lazy, get hit by Alzheimer or whatever:

Now what?

Partially not worksafe, especially the index page or if you try to join.
tour1.html should be safe. Until someone changes the link to the pictures.

Part of this botnet:
http://dnsbl.abuse.ch/fastfluxtracker.php?domainid=534
(young-in-mature.com/tour1.html)