equiz works only with subdomains (like a.equiz.xyz or a.b.equiz.xyz, but not (a) top-level domains like equiz.xyz and (b) www.equiz.xyz). Therefore, you could not possibly be in the right spot with your request to equiz.xyz.
Possibly available sites:
if you want a student test site, try corpfinbook.equiz.xyz.
choices that sometimes help (in order):