Fix AAAA resolv for nginx (#1246)

hassio/data/coredns.tmpl

@@ -4,6 +4,9 @@
     hosts /config/hosts {
         fallthrough
     }
+    template ANY AAAA local.hass.io hassio {
+        rcode NOERROR
+    }
     forward . $servers {
         except local.hass.io
         policy sequential

hassio/dns.py

@@ -234,6 +234,7 @@ class CoreDNS(JsonConfig, CoreSysAttributes):
             ["homeassistant", "home-assistant"],
             write=False,
         )
+        self.add_host(self.sys_docker.network.dns, ["dns"], write=False)
 
     def write_hosts(self) -> None:
         """Write hosts from memory to file."""