whois https://lookerstudio.google.com/u/0/reporting/3b7901e7-88fb-455a-b97f-11bb57fdd739/page/KC3LF

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
https://lookerstudio.google.com/u/0/reporting/3b7901e7-88fb-455a-b97f-11bb57fdd739/page/KC3LF
checking....https://lookerstudio.google.com/u/0/reporting/3b7901e7-88fb-455a-b97f-11bb57fdd739/page/KC3LF
   $ whois https://lookerstudio.google.com/u/0/reporting/3b7901e7-88fb-455a-b97f-11bb57fdd739/page/KC3LF
No whois server is known for this kind of object.