systemd-resolve --flush-caches && systemd-resolve --reset-server-features && date && dig test.asdf. SOA @127.0.0.53 && tail -n 30 /var/log/syslog && lsb_release -rd && LC_ALL=C apt-cache policy systemd Sa Okt 6 17:56:42 CEST 2018 ; <<>> DiG 9.11.3-1ubuntu1.2-Ubuntu <<>> test.asdf. SOA @127.0.0.53 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 5369 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;test.asdf. IN SOA ;; Query time: 8 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 06 17:56:42 CEST 2018 ;; MSG SIZE rcvd: 38 Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:39 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:40 lubuntu kernel: [32322.832017] device enp35s0 left promiscuous mode Oct 6 17:56:40 lubuntu kernel: [32322.969925] device enp35s0 entered promiscuous mode Oct 6 17:56:42 lubuntu systemd-resolved[831]: Flushed all caches. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Resetting learnt feature levels on all servers. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0+DO. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP+EDNS0. Oct 6 17:56:42 lubuntu systemd-resolved[831]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP. Oct 6 17:56:42 lubuntu systemd-resolved[831]: DNSSEC validation failed for question asdf IN DS: incompatible-server Oct 6 17:56:42 lubuntu systemd-resolved[831]: DNSSEC validation failed for question asdf IN SOA: incompatible-server Oct 6 17:56:42 lubuntu systemd-resolved[831]: DNSSEC validation failed for question test.asdf IN DS: incompatible-server Oct 6 17:56:42 lubuntu systemd-resolved[831]: DNSSEC validation failed for question test.asdf IN SOA: incompatible-server Description: Ubuntu 18.04.1 LTS Release: 18.04 systemd: Installed: 237-3ubuntu10.3 Candidate: 237-3ubuntu10.3 Version table: *** 237-3ubuntu10.3 500 500 http://ch.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 237-3ubuntu10 500 500 http://ch.archive.ubuntu.com/ubuntu bionic/main amd64 Packages