1. Launch the AirPort Utility.
The AirPort Utility can be found in the Utilities folder within your Applications folder.
Click “Internet” to configure your router’s internet settings.
Enter 18.104.22.168 in the “Secondary DNS Server:” field.
Click “Update” to apply your settings.
8. Ensure that your Time Capsule is not in Bridge mode. Your OpenDNS configuration will not work if the Time Capsule is in Bridge Mode!
To ensure that OpenDNS is working properly for you, please flush your browser and DNS cache by following the instructions below: