whois hypothes.is/users/OK_Bau_UG

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

hypothes.is/users/OK_Bau_UG

checking....hypothes.is/users/OK_Bau_UG
$ whois hypothes.is/users/OK_Bau_UG
No whois server is known for this kind of object.