$TTL 86400 @ IN SOA etcdns.local. root.etcdns.local. ( 100500 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 86400 ) ; Negative Cache TTL IN NS ns.etcdns.local. IN A 127.0.0.1 ns IN A 127.0.0.1 m1 IN A 127.0.0.1 m2 IN A 127.0.0.1 m3 IN A 127.0.0.1
