whois seo-experts-1.gitbook.io/seo-experts-docs/getting-started/quickstart/

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
seo-experts-1.gitbook.io/seo-experts-docs/getting-started/quickstart/
checking....seo-experts-1.gitbook.io/seo-experts-docs/getting-started/quickstart/
   $ whois seo-experts-1.gitbook.io/seo-experts-docs/getting-started/quickstart/
No whois server is known for this kind of object.