whois ppks.unila.ac.id/wp-admin/

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

ppks.unila.ac.id/wp-admin/

checking....ppks.unila.ac.id/wp-admin/
$ whois ppks.unila.ac.id/wp-admin/
No whois server is known for this kind of object.