whois pinboard.opera.com/view/dbef84fc-17a9-4d5b-8026-13599dbbff11/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
pinboard.opera.com/view/dbef84fc-17a9-4d5b-8026-13599dbbff11/
checking....pinboard.opera.com/view/dbef84fc-17a9-4d5b-8026-13599dbbff11/
   $ whois pinboard.opera.com/view/dbef84fc-17a9-4d5b-8026-13599dbbff11/
No whois server is known for this kind of object.