[SOLVED] Change Ubuntu and Avahi DNS Servers - Linux Forum
Oct 08, 2016 Ubuntu: How To Free Up Port 53, Used By systemd-resolved Next, change the DNS= value in this file to the DNS server you want to use (e.g. 127.0.0.1 to use a local proxy, 1.1.1.1 to use the Cloudflare DNS, etc.), and also change the DNSStubListener= value from yes to no. This is how the file should look after you've made these changes (I'm using 1.1.1.1 as the DNS server here, which is the Cloudflare Switch to Static IP Address on Ubuntu 17.04 | 17.10
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