Now, only your computer will use Cloudflare DNS while the rest of the devices will still use Google DNS. However, on top of that, if you change the DNS server on your local computer to let’s say Cloudflare DNS, then these settings will override the DNS settings of the router.

If you change the DNS server on the router to let’s say Google DNS, then every device connected to the router will automatically start using Google DNS as the DNS Server.

This is done from the command line, so launch the Terminal app and type one of the following command strings, dependent on the version of OS X that is running on the Mac. But what happens when you change the DNS server on your local machine or the router? Which DNS server gets the priority? Well, it’s easy. You can quickly retrieve active DNS server IP addresses on any Mac by using the networksetup utility. By default, we use the DNS servers provided by our ISP (Internet Service Provider). Now, before we get to the process, it’s important to understand the priority of DNS servers. You can do it natively through the command line or with the help of third-party apps. You have set up a new DNS server on your machine and you have no clue whether it’s working or not.

List dns servers mac terminal