I'm afraid this is by design and wontfix, see https://github.com/systemd/systemd/issues/4821#issuecomment-264995354 for details. This isn't something which we reasonably can/should change downstream, so I suggest to direct discussions to the upstream bug. Thanks!
** Changed in: systemd (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1636375 Title: systemd-resolved does not allow you to connect using subdomains using search domains which are in /etc/resolv.conf To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1636375/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs