Removing DNS settings from your D-Link router

1. Login to your D-Link router user interface. In this example, our D-Link router's IP address is 192.168.1.1 
2. Enter your router's credentials if it prompts you.
   
   Note: The default login details for this router are:
   Username: admin, Password: password [ or empty / no password ]
   
3. Click on Setup > Manual Internet Connection Setup button.
4. Remove the DNS addresses in the fields below:
   Primary DNS Server / Secondary DNS Server
5. Click on Save Settings button.
6. Reboot your router for the changes to take affect.