LXD dnsmasq as the whole resolver

No need systemd resolver, no need extra dnsmasq service, as long you running LXD and LXD uses dnsmasq

My host environment

my host LXD bridge is lxdbr0 with IP address 10.56.207.1
systemd-resolv service is disabled and masked
not have extra dnsmasq service running at all
the only dnsmasq running on the system is the one LXD created
/etc/resolv.conf
```
        nameserver 10.56.207.1
```

now config of LXD network for lxdbr0 bridge

  config:
    ipv4.address: 10.56.207.1/24
    ipv4.nat: "true"
    ipv6.address: fd42:2455:a79e:124b::1/64
    ipv6.nat: "true"
    raw.dnsmasq: |
      server=192.168.1.197
      server=1.1.1.1
      server=8.8.8.8
      domain-needed
      bogus-priv
      no-hosts
      no-negcache
      no-poll
      server=/.xx/10.101.211.1
      server=/.xx/10.101.212.1
      server=/.xx/10.101.213.1
      server=/.lxd3/10.101.222.1
  description: ""
  name: lxdbr0
  type: bridge

the whole “magic” is done after the raw.dnsmasq: |

server=<IP> are just name servers for so called Internet access
server=server=/.xx/10.101.211.1 - this resolves all hosts in domain .xx
server=/.lxd3/10.101.222.1 - - this resolves all hosts in domain .lxd3
and etc, you are free to do anything

I strugled long time and finally I got it done today with my mate Filip, which is the whole architect behind it.

LXD dnsmasq as the whole resolver

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My host environment