whois obd2-scanner.edu.vn)[Enlace

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

obd2-scanner.edu.vn)[Enlace

checking....obd2-scanner.edu.vn)[Enlace
$ whois obd2-scanner.edu.vn)[Enlace
No whois server is known for this kind of object.