Only adfreetime.com DNS servers should be used. If you had other DNS servers before, remove those using the – sign.
Mac OS X
Open system preferences and click on Network under Internet & Wireless.
If your Mac is connected through a wireless network, select AirPort. Otherwise select Ethernet.
Then, click on the Advanced… button.
Click on DNS at the top of the screen.
Fill in the DNS servers below:
Important
Flush DNS cache
Flushing the DNS cache in Mac OS X is an easy process, but the steps taken will depend on which version of OS X you are running.
Yosemite & El Capitan
If you are running Mac OS X 10.10.4 and above, you need to do the following:
- Open up the command terminal.
(Press ⌘+space and type terminal)
- Run the command
sudo killall -HUP mDNSResponder
If you are running Mac OS X 10.10, you need to do the following:
- Open up the command terminal.
(Press ⌘+space and type terminal)
- Run the command
sudo discoveryutil udnsflushcaches
Maverics, Mountain Lion or Lion
If you are running Mac OS X 10.7 or 10.8, you need to do the following:
- Open up the command terminal.
(Press ⌘+space and type terminal)
- Run the command
sudo killall -HUP mDNSResponder
Snow Leopard
If you are running Mac OS X 10.6, you need to do the following:
- Open up a command terminal.
(Press ⌘+space and type terminal)
- Run the command
dscacheutil -flushcache
Leopard and below
If you are running Mac OS X 10.5.1 or below, you need to do the following:
- Open a command terminal.
(Press ⌘+space and type terminal)
- Run the command
lookupd -flushcache
Note
Clearing the DNS Cache on Browsers
The following table provides instructions for clearing the DNS cache on popular Internet browsers.
Mozilla Firefox
Apple Safari
Google Chrome
Note
Also, the above commands will not return any output unless there has been an error. If seemingly nothing happens, you have done it right!