Musterbeispiel einer Zonendatei

$TTL 86400      ; 86400 Sekunden alias 1D = 1 Tag.
@ IN SOA ns1.postfixbuch.de. root.postfixbuch.de. (
                2008061401 ; serial [yyyyMMddNN]
                40000 ; refresh in seconds
                7200 ; retry in seconds (alias 2h)
                604800 ; expire in seconds (alias 1W)
                86400) ; minimum in seconds

@       86400   IN  NS       ns.postfixbuch.de.
@       86400   IN  NS       ns2.jpberlin.de.

@       86400   IN  A        213.203.238.18
www     43200   IN  A        213.203.238.18
mail            IN  A        213.203.238.10

ns      86400   IN  A        213.203.238.4

@               IN  MX 10    mail.postfixbuch.de.
@               IN  MX 20    mx2.heinlein-support.de.

listen          IN  MX 10    mail
listen          IN  MX 20    mx2.heinlein-support.de.