whois okerclub.ru/user/cakeblock04/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)

okerclub.ru/user/cakeblock04/

checking....okerclub.ru/user/cakeblock04/
$ whois okerclub.ru/user/cakeblock04/
No whois server is known for this kind of object.