- name: nameserver | bind | install packages
  package:
    name: "{{ bind_package }}"
    state: present

- name: nameserver | bind | basic configuration
  replace:
    path: "{{ named_conf_options }}"
    regexp: 
    replace: "{{ item.option }}"
    validate: "{{ named_checkconf }} {{ named_conf_options }}"
  loop:
    - { regexp: '^\s*listen-on {(?:[\s\n]*(?:\d{1,3}\.){3}\d{1,3};)*[\s\n]*};', option: "\tlisten-on { {{ ansible_default_ipv4.address }}; };"}
    - { regexp: '^\s*listen-on-v6 {(?:[\s\n]*(?:[\da-f:]*;)*[\s\n]*};', option: "\tlisten-on-v6 { {{ ansible_default_ipv6.address }}; };"}