whois www.17cats.com/newblog/tags/%E6%B1%9F%E6%B9%96/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
www.17cats.com/newblog/tags/%E6%B1%9F%E6%B9%96/
checking....www.17cats.com/newblog/tags/%E6%B1%9F%E6%B9%96/
   $ whois www.17cats.com/newblog/tags/%E6%B1%9F%E6%B9%96/
No whois server is known for this kind of object.