whois pinboard.opera.com/view/9f07f07f-7793-4683-a1b4-0ba4d9b19565

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Try for webbased whois (don't expect it to work yet)
pinboard.opera.com/view/9f07f07f-7793-4683-a1b4-0ba4d9b19565
checking....pinboard.opera.com/view/9f07f07f-7793-4683-a1b4-0ba4d9b19565
   $ whois pinboard.opera.com/view/9f07f07f-7793-4683-a1b4-0ba4d9b19565 (cached 17.09.25, 05:02:17)
No whois server is known for this kind of object.