$TTL    604800
 @       IN      SOA     localhost. root.localhost. (
                         2025082101      ; Serial
                         604800          ; Refresh
                         86400           ; Retry
                         2419200         ; Expire
                         604800 )        ; Negative Cache TTL
 ;
 @       IN      NS      localhost.
 @       IN      A       127.0.0.1
 @       IN      AAAA    ::1