whois https://ww5.jokermerah.city/

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

https://ww5.jokermerah.city/

checking....https://ww5.jokermerah.city/
$ whois https://ww5.jokermerah.city/
No whois server is known for this kind of object.