Fedora CoreOS mDNS resolving via systemd-resolved

butane-segment.yaml

    - path: /etc/systemd/resolved.conf
      overwrite: true
      contents:
        inline: |
          # enables mDNS resolving...
          #
          #  This file is part of systemd.
          #
          #  systemd is free software; you can redistribute it and/or modify it under the
          #  terms of the GNU Lesser General Public License as published by the Free
          #  Software Foundation; either version 2.1 of the License, or (at your option)
          #  any later version.
          #
          # Entries in this file show the compile time defaults. Local configuration
          # should be created by either modifying this file, or by creating "drop-ins" in
          # the resolved.conf.d/ subdirectory. The latter is generally recommended.
          # Defaults can be restored by simply deleting this file and all drop-ins.
          #
          # Use 'systemd-analyze cat-config systemd/resolved.conf' to display the full config.
          #
          # See resolved.conf(5) for details.

          [Resolve]
          # Some examples of DNS servers which may be used for DNS= and FallbackDNS=:
          # Cloudflare: 1.1.1.1#cloudflare-dns.com 1.0.0.1#cloudflare-dns.com 2606:4700:4700::1111#cloudflare-dns.com 2606:4700:4700::1001#cloudflare-dns.com
          # Google:     8.8.8.8#dns.google 8.8.4.4#dns.google 2001:4860:4860::8888#dns.google 2001:4860:4860::8844#dns.google
          # Quad9:      9.9.9.9#dns.quad9.net 149.112.112.112#dns.quad9.net 2620:fe::fe#dns.quad9.net 2620:fe::9#dns.quad9.net
          #DNS=
          #FallbackDNS=
          #Domains=
          #DNSSEC=no
          #DNSOverTLS=no
          MulticastDNS=yes
          #LLMNR=resolve
          #Cache=yes
          #CacheFromLocalhost=no
          #DNSStubListener=yes
          #DNSStubListenerExtra=
          #ReadEtcHosts=yes
          #ResolveUnicastSingleLabel=no