[Bug 1647031] Re: systemd-resolved’s 127.0.0.53 server does not follow CNAME records

[Martin Pitt]

** Tags added: resolved

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Title:
  systemd-resolved’s 127.0.0.53 server does not follow CNAME records

Status in systemd:
  New
Status in systemd package in Ubuntu:
  New

Bug description:
  $ systemd-resolve www.freedesktop.org
  www.freedesktop.org: 131.252.210.176
                       2610:10:20:722:a800:ff:feda:470f
                       (annarchy.freedesktop.org)

  -- Information acquired via protocol DNS in 673.6ms.
  -- Data is authenticated: no
  $ ping www.freedesktop.org
  ping: www.freedesktop.org: Name or service not known
  $ cat /etc/resolv.conf
  # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
  #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
  # 127.0.0.53 is the systemd-resolved stub resolver.
  # run "systemd-resolve --status" to see details about the actual nameservers.

  nameserver 127.0.0.53
  $ dig +no{cmd,comments,stats} www.freedesktop.org @127.0.0.53
  ;www.freedesktop.org.		IN	A
  www.freedesktop.org.	7146	IN	CNAME	annarchy.freedesktop.org.
  $ dig +no{cmd,comments,stats} www.freedesktop.org @8.8.8.8
  ;www.freedesktop.org.		IN	A
  www.freedesktop.org.	14399	IN	CNAME	annarchy.freedesktop.org.
  annarchy.freedesktop.org. 14399	IN	A	131.252.210.176

  I trust it needn’t be explained why this makes the internet almost
  completely useless in zesty.

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