These instructions are for the Buffalo Airstation WZR-1750DHP / WZR-1166DHP, but will probably get the job done on all Airstations.
NOTE: Buffalo Airstation User Manual: http://cdn.cloudfiles.mosso.com/c85091/WZR1750Manual_en.pdf
1. Visit the router’s IP address (http://192.168.11.1) in a new browser window.
2. The prompt “Enter username/password” screen will appear. By default, the username is “admin” and the password is “password”.
3. On the Home screen, click on “Advanced Settings”.
4. Click on “Internet” and enter the Kibosh Cloud DNS servers:
5. Click Apply to save your settings.