whois www.mediamusicnews.com/justin-bieber

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

www.mediamusicnews.com/justin-bieber
checking....www.mediamusicnews.com/justin-bieber
   $ whois www.mediamusicnews.com/justin-bieber
No whois server is known for this kind of object.