whois https://penzu.com/p/60108f14

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

https://penzu.com/p/60108f14

checking....https://penzu.com/p/60108f14
$ whois https://penzu.com/p/60108f14
No whois server is known for this kind of object.