Tailscale edits /etc/resolv.conf, since your DNS isn't working start by making sure that file is how the archwiki suggests rather than what tailscale changes it to.
An uninstalled tailscale may still have left that file modified.
Tailscale edits /etc/resolv.conf, since your DNS isn't working start by making sure that file is how the archwiki suggests rather than what tailscale changes it to.
An uninstalled tailscale may still have left that file modified.