With this script, you can get a list of Slave zones with their certain Master servers. You can download it from here.
AUTH_ID should be your API user ID and AUTH_PASS should be the password of your API user.
// Auth ID and Password
When you are ready with your configuration, you can run the script with the following command:
The script will output a list with Slave zones and their master servers.
If your API user ID or Password is incorrect, you will get an error message.