$TTL 1W
@       IN      SOA     localhost. root.localhost.  (
                                      20150920 ; Serial
                                      28800      ; Refresh
                                      14400      ; Retry
                                      604800     ; Expire - 1 week
                                      86400 )    ; Minimum
@       IN      NS      localhost.
@       IN  A   127.0.0.1

@       IN  AAAA    ::1

