whois groups.google.com/g/greere/c/3UPhqpuvTvY
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
groups.google.com/g/greere/c/3UPhqpuvTvY
checking....groups.google.com/g/greere/c/3UPhqpuvTvY
$
whois
groups.google.com/g/greere/c/3UPhqpuvTvY
No whois server is known for this kind of object.