whois plaza.rakuten.co.jp/digita/diary/202602230002/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)

plaza.rakuten.co.jp/digita/diary/202602230002/
checking....plaza.rakuten.co.jp/digita/diary/202602230002/
   $ whois plaza.rakuten.co.jp/digita/diary/202602230002/ (cached 23.02.26, 14:42:17)
No whois server is known for this kind of object.