whois https://gameurnews.fr/upload/files/2022/05/x8E9EF9YjPUly3AW96ab_17_7aae0737ac591621a00b93c15737423d_file.pdf

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Try for webbased whois (don't expect it to work yet)

https://gameurnews.fr/upload/files/2022/05/x8E9EF9YjPUly3AW96ab_17_7aae0737ac591621a00b93c15737423d_file.pdf
checking....https://gameurnews.fr/upload/files/2022/05/x8E9EF9YjPUly3AW96ab_17_7aae0737ac591621a00b93c15737423d_file.pdf
   $ whois https://gameurnews.fr/upload/files/2022/05/x8E9EF9YjPUly3AW96ab_17_7aae0737ac591621a00b93c15737423d_file.pdf
No whois server is known for this kind of object.