ansible/roles/dns/master/defaults/main.yml

---

domain: "example.com"

domain_directory: "{{ dns_zones_directory }}/{{ domain }}"
configuration_file: "{{ domain_directory }}/zone.conf"
database_file: "{{ domain_directory }}/zone.db"

main_nameserver_domain: "ns1.{{ domain }}."
responsible_mail_name: "admin.{{ domain }}."
serial_number: "{{ lookup('pipe', 'date +\"%Y%m%d%H\"') }}"
refresh: 86400
retry: 7200
expire: 3600000
ttl: 172800