whois minecraftcommand.science/profile/copperquartz78

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Try for webbased whois (don't expect it to work yet)
minecraftcommand.science/profile/copperquartz78
checking....minecraftcommand.science/profile/copperquartz78
   $ whois minecraftcommand.science/profile/copperquartz78
No whois server is known for this kind of object.