whois https://www.porndavid.com/n/big-porn/

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

https://www.porndavid.com/n/big-porn/
checking....https://www.porndavid.com/n/big-porn/
   $ whois https://www.porndavid.com/n/big-porn/
No whois server is known for this kind of object.