Checking the network domain or domain controller associated with a Wi-Fi connection depends on whether you are using a personal home network or an enterprise corporate environment. On a Windows computer connected to a professional workspace network, you can open the command prompt and type the command ipconfig /all to view detailed configuration parameters, including the specific primary DNS suffix and connection-specific DNS suffix representing the network domain. Alternatively, you can navigate to the system about page or corporate network settings to verify whether your device is successfully joined to a specific workplace or institutional domain directory.