Whether you are configuring a standalone computer (desktop or laptop), a network router, or an internal DNS server, when you set the IP addresses to point to OpenDNS you are instructing the Internet browsers, email systems and other Web applications to use OpenDNS servers to find your intended Internet destination.
Will changing my DNS settings to OpenDNS have any negative impact
to my computer?
Changing your current DNS settings to the OpenDNS servers is a safe, reversible, and beneficial configuration adjustment that will not harm your computer or your network. There is no software being installed and all configurations for security, Web content filtering and personal preferences are made online in your OpenDNS account, not on your computer or network hardware.
You're welcome to write down the previous settings and revert if need be. You can print out this page and write down your previous DNS settings if desired.
Put simply: when you change your DNS preferences to OpenDNS, you are improving the capability of your computer and your network to navigate the Internet, send email and perform other Web functions.