[Bug 1690605] Re: systemd-resolved: no dns resolution after upgrade to Artful

[lotuspsychje]

Installed 17.10 64bit development branch on a daily .iso @ 14/5/2017

problem is solved after editing: /etc/systemd/resolved.conf DNSSEC=off
and reboot

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Title:
  systemd-resolved: no dns resolution after upgrade to Artful

Status in systemd package in Ubuntu:
  New

Bug description:
  After upgrading to artful systemd-resolved is failing to resolve dns.
  It seems DNSSEC validation is failing but shouldnt that be disabled by
  default like it was in zesty?

  
  $ systemctl status systemd-resolved.service 
  ● systemd-resolved.service - Network Name Resolution
     Loaded: loaded (/lib/systemd/system/systemd-resolved.service; enabled; vendor preset: enabled)
    Drop-In: /lib/systemd/system/systemd-resolved.service.d
             └─resolvconf.conf
     Active: active (running) since Sun 2017-05-14 13:45:27 AEST; 29min ago
       Docs: man:systemd-resolved.service(8)
             http://www.freedesktop.org/wiki/Software/systemd/resolved
             http://www.freedesktop.org/wiki/Software/systemd/writing-network-configuration-managers
             http://www.freedesktop.org/wiki/Software/systemd/writing-resolver-clients
    Process: 12092 ExecStartPost=/bin/sh -c [ ! -e /run/resolvconf/enable-updates ] || echo "nameserver 127.0.0.53" | /sbin/resolvconf -a systemd-resolved (code
   Main PID: 12089 (systemd-resolve)
     Status: "Processing requests..."
      Tasks: 1 (limit: 4915)
     CGroup: /system.slice/systemd-resolved.service
             └─12089 /lib/systemd/systemd-resolved

  May 14 14:06:42 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question changelogs.ubuntu.com IN SOA: failed-auxiliary
  May 14 14:06:42 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question changelogs.ubuntu.com IN A: failed-auxiliary
  May 14 14:06:43 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question changelogs.ubuntu.com IN SOA: failed-auxiliary
  May 14 14:06:43 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question changelogs.ubuntu.com IN A: failed-auxiliary
  May 14 14:09:31 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question launchpad.net IN SOA: failed-auxiliary
  May 14 14:09:31 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question launchpad.net IN A: failed-auxiliary
  May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question search.apps.ubuntu.com IN SOA: failed-auxiliary
  May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question search.apps.ubuntu.com IN A: failed-auxiliary
  May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question search.apps.ubuntu.com IN SOA: failed-auxiliary
  May 14 14:14:27 arapiles2 systemd-resolved[12089]: DNSSEC validation failed for question search.apps.ubuntu.com IN A: failed-auxiliary

  $ systemd-resolve --status
  Link 3 (wlp3s0)
        Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6
         LLMNR setting: yes
  MulticastDNS setting: no
        DNSSEC setting: allow-downgrade
      DNSSEC supported: yes
           DNS Servers: 192.168.15.1

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: systemd 233-6ubuntu1
  ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
  Uname: Linux 4.10.0-20-generic x86_64
  ApportVersion: 2.20.4-0ubuntu7
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun May 14 14:17:46 2017
  InstallationDate: Installed on 2016-03-18 (421 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160317)
  MachineType: LENOVO 2764CTO
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic root=UUID=3664c32a-e900-46b0-bd17-848f08c17bbe ro quiet splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: Upgraded to artful on 2017-05-13 (0 days ago)
  dmi.bios.date: 10/17/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7UET94WW (3.24 )
  dmi.board.name: 2764CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn2764CTO:pvrThinkPadT400:rvnLENOVO:rn2764CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2764CTO
  dmi.product.version: ThinkPad T400
  dmi.sys.vendor: LENOVO
  modified.conffile..etc.systemd.logind.conf: [modified]
  modified.conffile..etc.systemd.resolved.conf: [modified]
  mtime.conffile..etc.systemd.logind.conf: 2017-05-13T15:35:01.923954
  mtime.conffile..etc.systemd.resolved.conf: 2017-05-14T14:16:55.303043

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