Quad9 DNS: As we mentioned yesterday, the Global Cyber Alliance has released a new free Domain Name Service resolver with unusually strong security and privacy features.
The Domain Name Servers (DNS) are necessary for your access to the Internet. Each computers or mobile device uses DNS to access websites, email servers, APIs and other services.
Do you know that you can configure DNS so that you do not use what your provider has given you? For example, you can use Google DNS (8.8.8.8) or OpenDNS. According to our post yesterday, however, you have another choice from IBM.
It's called the Quad9 DNS service and can block malicious domains for anyone using it from a large list compiled by IBM. This will give your computer an extra layer of protection.
The service provides the following DNS:
- Secure IPv4: 9.9.9.9 Blocklist, DNSSEC, without EDNS Client-Subnet
- Unsecure IPv4: 9.9.9.10 without blocklist, without DNSSEC, sends EDNS Client-Subnet
- Secure IPv6: 2620: fe :: fe Blocklist, DNSSEC, without EDNS Client-Subnet
- Unsecure IPv6: 2620: fe :: 10 without blocklist, without DNSSEC, sends EDNS Client-Subnet
Below we will see how you can add the DNS resolvers of the service to a computer running Linux.
We will do it simply, from the Network Manager without editing the system files. (/etc/resolv.conf or / etc / network / interfaces or /etc/systemd/network/05-eth0.network I guess is called eth0. Routes vary depending on the distribution you use.)
But let's see how it is done through the Network Manager application.
Open the app, and follow the steps below. From icon with tools (1) I opened my wired settings, turned off Automatic (2) and added DNS 9.9.9.9.
Apply when done.
Repeat the process with your wireless connection.
For those who are interested and have IPv6, there is also an IPv6 Quad9 resolver: 2620: fe :: fe
After the plugins do a reboot and you are ready.
