whois www.https://rf12.jp/building/5764/
Domain:
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Try for webbased whois (don't expect it to work yet)
www.https://rf12.jp/building/5764/
checking....www.https://rf12.jp/building/5764/
$
whois
www.https://rf12.jp/building/5764/
No whois server is known for this kind of object.