ansible_role_acmetool/tasks/unwant_domains.yml

---
- name: Disable acmetool for acme_domain_unwant_list domains
  become: true
  ansible.builtin.command: "acmetool unwant {{ _domain.name }}"
  loop: "{{ acme_domain_unwant_list }}"
  loop_control:
    loop_var: _domain
  changed_when: true