whois www.17cats.com/newblog/post/1db5917d/
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
www.17cats.com/newblog/post/1db5917d/
checking....www.17cats.com/newblog/post/1db5917d/
$
whois
www.17cats.com/newblog/post/1db5917d/
No whois server is known for this kind of object.