whois groups.google.com/g/seo-oct10/c/hBY6UFHQQO0/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
groups.google.com/g/seo-oct10/c/hBY6UFHQQO0/
checking....groups.google.com/g/seo-oct10/c/hBY6UFHQQO0/
   $ whois groups.google.com/g/seo-oct10/c/hBY6UFHQQO0/
No whois server is known for this kind of object.