In the Admin Portal, you have the ability to see how Zscaler categorizes a site according to its URL or IP address. You can also look up URLs from the Zscaler website https://sitereview.zscaler.com/. To learn more about this website, see Using Zscaler sitereview to lookup URLs.
To lookup URLs:
Note that the service displays the predefined category or super-category of the URL, and indicates if there is a security alert associated with the URL.