whois www.twitch.tv/rfvewe3423/about

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

www.twitch.tv/rfvewe3423/about
checking....www.twitch.tv/rfvewe3423/about
   $ whois www.twitch.tv/rfvewe3423/about
No whois server is known for this kind of object.