Apple – Mac OS X Mavericks
You have to repeat the settings for each network you have in use. It is marked with a green dot. In case you use also other networks, but if they are not active yet, you can also change the DNS settings the same way as you do it with active networks.
1. System Preferences
Open your System Preferences and click on “Network”
Select your active Internet connection and click the button “Advanced”
Please select “DNS” in the tab bar on the top and click on the “+”
4. Enter the IP-address of the DNS
Enter the IP address of our DNS resolver and click on OK. Thats it. You are done.