whois xetaihanoi.edu.vn)[Camion

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

xetaihanoi.edu.vn)[Camion

checking....xetaihanoi.edu.vn)[Camion
$ whois xetaihanoi.edu.vn)[Camion
No whois server is known for this kind of object.