whois seogems.github.io/Seopacks/

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

seogems.github.io/Seopacks/

checking....seogems.github.io/Seopacks/
$ whois seogems.github.io/Seopacks/
No whois server is known for this kind of object.