whois https://www.youtube.com/embed/4KRIlXZo3Ls
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
https://www.youtube.com/embed/4KRIlXZo3Ls
checking....https://www.youtube.com/embed/4KRIlXZo3Ls
$
whois
https://www.youtube.com/embed/4KRIlXZo3Ls
No whois server is known for this kind of object.