whois www.17cats.com/newblog/tags/%E7%94%B3%E6%97%97/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
www.17cats.com/newblog/tags/%E7%94%B3%E6%97%97/
checking....www.17cats.com/newblog/tags/%E7%94%B3%E6%97%97/
   $ whois www.17cats.com/newblog/tags/%E7%94%B3%E6%97%97/
No whois server is known for this kind of object.