whois facebook.com/groups/395330746722708/permalink/395331653389284/?mibextid=xfxF2i

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
facebook.com/groups/395330746722708/permalink/395331653389284/?mibextid=xfxF2i
checking....facebook.com/groups/395330746722708/permalink/395331653389284/?mibextid=xfxF2i
   $ whois facebook.com/groups/395330746722708/permalink/395331653389284/?mibextid=xfxF2i
No whois server is known for this kind of object.