I know that dig +trace worked before systemd-resolvd was used. Interpreting the following comment that this behavior is "by design", I guess it was broken all the time: https://github.com/systemd/systemd/issues/5897#issuecomment-300238951
** Bug watch added: github.com/systemd/systemd/issues #5897 https://github.com/systemd/systemd/issues/5897 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856367 Title: systemd-resolvd breaks dig + trace To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1856367/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs