dns_rfc2136_server = {{ certbot_rfc2136_server }} dns_rfc2136_port = {{ certbot_rfc2136_port | default(53) }} dns_rfc2136_name = {{ certbot_rfc2136_key_name }} dns_rfc2136_secret = {{ certbot_rfc2136_key_secret }} dns_rfc2136_algorithm = {{ certbot_rfc2136_key_algorithm | upper }} dns_rfc2136_sign_query = true