whois www.17cats.com/newblog/categories/%E5%B0%8F%E4%B9%94/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
www.17cats.com/newblog/categories/%E5%B0%8F%E4%B9%94/
checking....www.17cats.com/newblog/categories/%E5%B0%8F%E4%B9%94/
   $ whois www.17cats.com/newblog/categories/%E5%B0%8F%E4%B9%94/
No whois server is known for this kind of object.