whois https://diigo.com/item/note/98kcy/50uw?k=4ccbd0e04498b316857358ecca8d3277

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Try for webbased whois (don't expect it to work yet)
https://diigo.com/item/note/98kcy/50uw?k=4ccbd0e04498b316857358ecca8d3277
checking....https://diigo.com/item/note/98kcy/50uw?k=4ccbd0e04498b316857358ecca8d3277
   $ whois https://diigo.com/item/note/98kcy/50uw?k=4ccbd0e04498b316857358ecca8d3277
No whois server is known for this kind of object.