Wait wait wait. You forgot the part where if using systemd-resolved you are supposed to symlink /etc/resolv.conf to /run/systemd/resolve/resolve.conf, which get

Wait wait wait. You forgot the part where if using systemd-resolved you are supposed to symlink /etc/resolv.conf to /run/systemd/resolve/resolve.conf, which gets generated after boot. Also should caveat that you will no longer be able to resolve / recursive search based on only a hostname, services using systemd-resolved instead of glibc will need to provide fqdn. Real pain in the ass.