[Bug 1810439] Re: DNS/systemd-resolve: host1.foo.local cannot resolve host2.bar.local

[Dan Streetman]

please reopen if this is still an issue

** Changed in: systemd (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1810439

Title:
  DNS/systemd-resolve: host1.foo.local cannot resolve host2.bar.local

Status in systemd package in Ubuntu:
  Invalid

Bug description:
  This is a fresh install of Ubuntu 18.04 (using the latest maas.io image).
  The system is in a DNS domain of "maas.local".
  There are other systems in this data center that are in the DNS domain "eng.local".

  Attempting to resolve the name of a system in the eng.local domain
  fails when run from the maas.local system (and vice versa, but we'll
  focus on the details of the former case).

  Details:

  ubuntu at kvm7246-vm009:~$ grep '^[^#]' /etc/resolv.conf
  nameserver 127.0.0.53
  search maas.local tc82.local
  ubuntu at kvm7246-vm009:~$ systemd-resolve --status
  Global
            DNSSEC NTA: 10.in-addr.arpa
                        16.172.in-addr.arpa
                        168.192.in-addr.arpa
                        17.172.in-addr.arpa
                        18.172.in-addr.arpa
                        19.172.in-addr.arpa
                        20.172.in-addr.arpa
                        21.172.in-addr.arpa
                        22.172.in-addr.arpa
                        23.172.in-addr.arpa
                        24.172.in-addr.arpa
                        25.172.in-addr.arpa
                        26.172.in-addr.arpa
                        27.172.in-addr.arpa
                        28.172.in-addr.arpa
                        29.172.in-addr.arpa
                        30.172.in-addr.arpa
                        31.172.in-addr.arpa
                        corp
                        d.f.ip6.arpa
                        home
                        internal
                        intranet
                        lan
                        local
                        private
                        test

  Link 2 (ens6)
        Current Scopes: DNS
         LLMNR setting: yes
  MulticastDNS setting: no
        DNSSEC setting: no
      DNSSEC supported: no
           DNS Servers: 172.23.4.4
            DNS Domain: maas.local
                        tc82.local
  ubuntu at kvm7246-vm009:~$ host maas1.maas.local
  maas1.maas.local has address 172.23.4.4
  ubuntu at kvm7246-vm009:~$ systemd-resolve maas1.maas.local
  maas1.maas.local: 172.23.4.4

  -- Information acquired via protocol DNS in 2.3ms.
  -- Data is authenticated: no
  ubuntu at kvm7246-vm009:~$ host mirror1.eng.local
  Host mirror1.eng.local not found: 2(SERVFAIL)
  ubuntu at kvm7246-vm009:~$ systemd-resolve mirror1.eng.local
  mirror1.eng.local: resolve call failed: No appropriate name servers or networks for name found
  ubuntu at kvm7246-vm009:~$ host mirror1.eng.local 172.23.4.4
  Using domain server:
  Name: 172.23.4.4
  Address: 172.23.4.4#53
  Aliases: 

  mirror1.eng.local has address 172.21.0.66

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