whois https://miura-seikostuin-zikochiryou.studio.site/

Domain:
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Try for webbased whois (don't expect it to work yet)
https://miura-seikostuin-zikochiryou.studio.site/
checking....https://miura-seikostuin-zikochiryou.studio.site/
   $ whois https://miura-seikostuin-zikochiryou.studio.site/
No whois server is known for this kind of object.