whois www.cheaperseeker.com/u/rhythmsauce51

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

www.cheaperseeker.com/u/rhythmsauce51
checking....www.cheaperseeker.com/u/rhythmsauce51
   $ whois www.cheaperseeker.com/u/rhythmsauce51
No whois server is known for this kind of object.