Skip to content

How to use Cloudflare DNS on Windows 10, macOS, Linux, Android, and iOS

27 mayo, 2021

If so far the usual preferred DNS for most have been two, those of Google and OpenDNS, now it will be three if Cloudflare complies what it promises with its new free DNS service. It operates with IP and and claims to be “the fastest and most private consumer DNS service on the Internet”, so we are going to explain how to use them.

The domain name system or DNS, for its acronym in English, is something that all Internet users use even though there are those who do not know what they are or what they are for. Simply explaining them, its main function is to translate human-readable addresses, What, to IP addresses, those in which the servers that contain the web are located.

Most telephone operators have their own DNS and its operation depends on servers in any of the cases, but they do not always work in the best way. Hence alternatives arise that claim to be faster and more private resolving those addresses and leading us to the requested websites. Like those of Google and OpenDNS at the time, or Cloudflare, a great CDN player.

Cloudflare ensures that it will delete DNS query records within 24 hours

Cloudflare’s DNS solution, in particular, claims to erase all query logs within 24 hours, so it wouldn’t track where its users are browsing, and exceed response speeds. According to some performance tests, and respond on average in 14.2 milliseconds, while OpenDNS does it in 20.64 milliseconds and Google in 34.51. Other measurements would confirm leadership.

How to prevent your operator from knowing where you are browsing: VPN, DNS and pages with HTTPS

How to use Cloudflare DNS

Use, Cloudflare’s DNS, it’s quite simple since in most operating systems, changing the domain name system is a very simple task. Now we explain it.

Problems can only arise if your operator, as is happening with this new service to Movistar and Vodafone customers, prevents it for some reason. Although the alternative IP address can be used.

  • Windows 10: We must access the system configuration, the section Network and Internet, the section Condition and the option Change adapter options. Once in the window that will open, we will see the available network connections and we will have to right click on the active one and select Properties. In the new window we will have to modify the element Internet Protocol version 4 (TCP / IPv4) selecting it and clicking on the button Properties. In this other window we will indicate that we want to use particular DNS server addresses, entering and in the fields for preferred and alternative DNS server.

  • macOS: In the Apple menu, we select System preferences and then, Net. There we choose the interface used to connect to the internet, Ethernet or Wi-Fi, we click on the button Advanced and click on the tab DNS. On the section DNS servers of the window that will have been opened we click on the button + (Add) and enter the Cloudflare DNS.

  • GNU / Linux: As a general rule, we will have to click on the network icon or look for the options related to it and choose the option Edit the connections. In the new window we will choose our current network and click on the button Edit, to address the eyelash IPv4 settings. In the countryside DNS servers We will introduce and

  • Android: Go to Settings, section of Wi-Fi connections and hold down on the network to which you are connected. In the drop-down that will appear select Modify network, in the window click on Advanced Options and now seeks IP settings. Display the menu from the right arrow, click on Static IP and in the configuration options that will now be displayed, scroll to the end and fill in the DNS fields 1 and 2.

  • ios: Accede to Settings, to the Wi-Fi section and on the connected network, click on the information icon. Now go to Configure DNS > Handbook > Add service. Enter the IPs of the Cloudflare DNS and click on Keep. Clever. If a section with an IP for the DNS has appeared directly, edit it with the desired address.

Also you can change the DNS you use through the routerIn this way, the change will affect all the devices you have connected to the network it creates. To change them, you have to enter the router through the web browser, generally typing the addresses, or, identify ourselves and go to the section of the local area network or LAN to modify the DNS values that appear by those of Cloudflare, in this case.