whois pinboard.opera.com/view/d26d5282-f1c3-41fe-81dd-73a8879afe82/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
pinboard.opera.com/view/d26d5282-f1c3-41fe-81dd-73a8879afe82/
checking....pinboard.opera.com/view/d26d5282-f1c3-41fe-81dd-73a8879afe82/
   $ whois pinboard.opera.com/view/d26d5282-f1c3-41fe-81dd-73a8879afe82/
No whois server is known for this kind of object.