whois www.diggerslist.com/664a7171c92c1/about

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www.diggerslist.com/664a7171c92c1/about
checking....www.diggerslist.com/664a7171c92c1/about
   $ whois www.diggerslist.com/664a7171c92c1/about
No whois server is known for this kind of object.