whois http://lu.ma/u/usr-VbMr6AzqkTG0cSQ

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

http://lu.ma/u/usr-VbMr6AzqkTG0cSQ
checking....http://lu.ma/u/usr-VbMr6AzqkTG0cSQ
   $ whois http://lu.ma/u/usr-VbMr6AzqkTG0cSQ
No whois server is known for this kind of object.