whois rf12.jp/building/6902/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
rf12.jp/building/6902/
checking....rf12.jp/building/6902/
   $ whois rf12.jp/building/6902/ (cached 09.03.25, 16:26:14)
No whois server is known for this kind of object.