$TTL    604800
@       IN      SOA     szn.io. admin.szn.io. (
                  3     ; Serial
             604800     ; Refresh
              86400     ; Retry
            2419200     ; Expire
             604800 )   ; Negative Cache TTL

; Name servers
@       IN      NS      ns1.lakefox.net.
@       IN      NS      ns2.lakefox.net.

; A records
@       IN      A       %s