Test login details.
| Name | Data Type | Status | Description |
| auth-id or sub-auth-id or sub-auth-user | Integer | Required | Authentication parameter |
| auth-password | String | Required | Authentication parameter |
URL JSON: https://api.cloudns.net/dns/login.json
POST/GET: auth-id=0&auth-password=password
URL XML: https://api.cloudns.net/dns/login.xml
POST/GET: auth-id=0&auth-password=password