templates/zone.reverse.j2

{#
SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
SPDX-License-Identifier: Apache-2.0
#}
;# nsd reverse zone, templates/zone.reverse.j2 - {{ ansible_managed }}

$ORIGIN {{ item.key }}. ; default zone domain
$TTL {{ item.value.ttl | default(nsd_default_ttl) }} ; default time to live

{{ item.value.ip_range | unbound_revdns }} IN SOA {{ item.value.ns | first }} admin.{{ item.key }}. (
         {{ item.value.serial | default(ansible_date_time.epoch) }}   ; Serial, must be incremented every time you change this file
         3600        ; Refresh [1hr]
         600         ; Retry [10m]
         3600        ; Expire [1hr]
         60          ; Min TTL [1m]
         )
{% if item.value.a is defined %}

; PTR records
{% for name, ip4 in item.value.a.items() %}
{{ ip4 | ipaddr('revdns')}} IN PTR {{ name }}
{% endfor %}
{% endif %}