Xubuntu 127.0.0.53 issue in /etc/resolv.conf file
The problem when you seemingly configured all right and Google’s DNS resolvers are good:
nameserver 8.8.8.8
nameserver 8.8.4.4
But system still shows wrong information
Install resolvconf if needed
sudo apt-get install resolvconf -y
You need to disable systemd-resolved to get rid of 127.0.0.53 from your /etc/resolv.conf… Read the rest