rev_zone.j2

$TTL {{ ttl }}
@                       IN      SOA     {{ ns1 }}   {{ hostmaster }} (
                    {{ serial }}  ; serial
                    {{ refresh }}          ; refresh
                    {{ retry }}          ; retry
                    {{ expiry }}          ; expiry
                    {{ minimum }} )        ; minimum

@                       IN      NS              {{ ns1 }}
@                       IN      NS              {{ ns2 }}

{% for record in records if ip_prefix.rev in record.revptr|string -%}
{{ record.revptr }}             IN      PTR             {{ record.name }}
{% endfor %}