Comodo Secure DNS

Router(recommended)*
Get instructions for various routers.

*If you have a router on your network, we recommend that you modify your DNS settings there. In this way, you typically only have to make one change, as opposed to making a change to each computer on your network.

OR

Computer**
Get instructions for Windows and Mac.

**While not harmful, modifying DNS settings of individual computers on a corporate network may not always work. Please contact us if you need instructions on how to implement on a corporate network.