To be put at /usr/lib/systemd/resolved.conf.d/lokinet.conf for distro use and /etc/systemd/resolved.conf.d/lokinet.conf for local admin use.
/usr/lib/systemd/resolved.conf.d/lokinet.conf
/etc/systemd/resolved.conf.d/lokinet.conf
To make use of it:
sudo ln -sf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf sudo systemctl enable --now systemd-resolved