In recent years, much of the content and functionality associated with various sub-domains and legacy sites has been consolidated under the main zSecurity.org portal. This move was intended to provide a more unified experience for students accessing:

Utilizing the Certified OSINT Professional (C|OSINT|P) curriculum to track down information and identify fake websites.

If you still wish to investigate the domain for research purposes, never visit it directly from your main operating system. Instead: