whois www.data.gov.et/uploads/user/2022-05-22-200127.268696sv388.html

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Try for webbased whois (don't expect it to work yet)
www.data.gov.et/uploads/user/2022-05-22-200127.268696sv388.html
checking....www.data.gov.et/uploads/user/2022-05-22-200127.268696sv388.html
   $ whois www.data.gov.et/uploads/user/2022-05-22-200127.268696sv388.html
No whois server is known for this kind of object.