whois groups.google.com/g/greere/c/hZBWtWbIOy4

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
groups.google.com/g/greere/c/hZBWtWbIOy4
checking....groups.google.com/g/greere/c/hZBWtWbIOy4
   $ whois groups.google.com/g/greere/c/hZBWtWbIOy4 (cached 13.10.24, 20:11:33)
No whois server is known for this kind of object.