Do you have DNSSEC enabled? There is a known bug 1796501 that may be causing your problem.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1843352 Title: systemd package version 237-3ubuntu10.28 breaks local network DNS resolution Status in systemd package in Ubuntu: New Bug description: After upgrading to the latest package the systemd-resolved service fails to resolve names for local network.Manually invoking nslookup works fine. The only suspicious output from journalctl seems: systemd-resolved[858]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. The latest change in that package is: * SECURITY UPDATE: Unprivileged users are granted access to privileged systemd-resolved D-Bus methods - d/p/0001-shared-but-util-drop-trusted-annotation-from-bus_ope.patch: drop trusted annotation from bus_open_system_watch_bind() - CVE-2019-15718 -- Chris Coulson <chris.coul...@canonical.com> Thu, 29 Aug 2019 23:30:33 +0100 Please revert this. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1843352/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
