whois facebook.com/groups/363355110357674/posts/26745668988366260/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
facebook.com/groups/363355110357674/posts/26745668988366260/
checking....facebook.com/groups/363355110357674/posts/26745668988366260/
   $ whois facebook.com/groups/363355110357674/posts/26745668988366260/
No whois server is known for this kind of object.