So your domain was vstvn.heliohost.org and then you changed it to vietstar.us? That's why it's taking so long. Don't worry about the vietstar22.us, it will resolve back to vietstar.us.
Your account was suspended for being inactive. You haven't logged into your cpanel since 2016-02-22 Re-activate your account here: http://www.heliohost.org/home/support/scripts/renew