whois sdcdsve.ck.page/posts/dfvrfdg
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Try for webbased whois (don't expect it to work yet)
sdcdsve.ck.page/posts/dfvrfdg
checking....sdcdsve.ck.page/posts/dfvrfdg
$
whois
sdcdsve.ck.page/posts/dfvrfdg
No whois server is known for this kind of object.