$ORIGIN example.nl.
$TTL 86400 ; default time-to-live for this zone

example.nl.   IN  SOA     ns.example.nl. noc.dns.icann.org. (
        2020080302  ;Serial
        7200        ;Refresh
        3600        ;Retry
        1209600     ;Expire
        3600        ;Negative response caching TTL
)

; The nameserver that are authoritative for this zone.
                                NS      example.nl.

; these A records below are equivalent
example.nl.    A       1.2.3.4