2. Log into your router. If you have not set a new username and password the default is most likely admin/admin
3. Click on Manual Internet Connection Setup button
4. Fill in DNS servers 188.8.131.52 and 184.108.40.206
5. Save the settings
6. Restart router
Please read: Some D-link routers have an option under Setup/Network Settings called enable DNS relay. Please make sure that this option is not enabled. The same goes fort unicasting if you have this feature.
Also please un-link the router from the myDlink service as this service will bypass and DNS settings you make.