Go to the .my Domain Registry Domain modification page:
https://domainmanager.mynic.my/Mynic-ViewController-context-root/faces/PB/UserLogin.jsp
Enter Domain name, select Domain extension and click modify
Select login as "Administrative Contact", enter an administrative user ID, password and click "Login"
After login, click "Option 2" (Modify Registrant Record)
Go to Item 2 (Modify Registrant Record) and change accordingly
Click "Modify" to confirm your change
Reconfirm your change by whois your domain at:
https://mynic.my/whois/
