The proposal to extend the 'cache' option with 'no-negative' has been merged upstream. I will proceed with the backports to Ubuntu on the affected LTS releases.
[0] https://github.com/systemd/systemd/pull/13047 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1668771 Title: systemd-resolved negative caching for extended period of time To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1668771/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs