whois www.blogger.com/profile/15648049529166625298/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
www.blogger.com/profile/15648049529166625298/
checking....www.blogger.com/profile/15648049529166625298/
   $ whois www.blogger.com/profile/15648049529166625298/ (cached 01.04.25, 02:29:22)
No whois server is known for this kind of object.