whois dudoser.com/user/liquidsmoke01/

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

dudoser.com/user/liquidsmoke01/
checking....dudoser.com/user/liquidsmoke01/
   $ whois dudoser.com/user/liquidsmoke01/
No whois server is known for this kind of object.