whois groups.google.com/g/mastering-seo/c/TSH7wsIeKrI/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
groups.google.com/g/mastering-seo/c/TSH7wsIeKrI/
checking....groups.google.com/g/mastering-seo/c/TSH7wsIeKrI/
   $ whois groups.google.com/g/mastering-seo/c/TSH7wsIeKrI/ (cached 14.09.24, 15:12:36)
No whois server is known for this kind of object.