Could I get your advice on why this template I created for SPF and DMARC checks is not working

[Srinandu2291]

id: spf-dmarc-detect
info:
  name: SPF and DMARC Security Detection (Specific Checks)
  author: Sri
  severity: info
  description: |
    This template performs specific checks on SPF and DMARC records:
    - SPF policy strength
    - SPF record length validity
    - DMARC policy strength
  reference:
    - https://tools.ietf.org/html/rfc7208 (SPF)
    - https://tools.ietf.org/html/rfc7489 (DMARC)
  tags: dns

dns:
  - name: "{{FQDN}}"
    type: TXT
    extractors:
      - type: regex
        name: spf_record
        regex:
          - "v=spf1(.+)"
        group: 1

  - name: "_dmarc.{{FQDN}}"
    type: TXT
    extractors:
      - type: regex
        name: dmarc_record
        regex:
          - "v=DMARC1;(.+)"
        group: 1

matchers:
  - type: dsl
    name: spf_policy_check
    dsl:
      - |
        spf_record = tolower(dns_spf_record[0]);
        spf_policy = contains(spf_record, '-all') ? 'Strong' : 
                      contains(spf_record, '~all') ? 'Medium' :
                      contains(spf_record, '?all') ? 'Weak' :
                      contains(spf_record, '+all') ? 'No policy (permissive)' :
                      'Invalid or missing';
        'SPF policy: ' + spf_policy

  - type: dsl
    name: spf_length_check
    dsl:
      - "len(dns_spf_record[0]) <= 255 ? 'SPF record length: Valid' : 'SPF record length: Too long, may be truncated'"

  - type: dsl
    name: dmarc_policy_check
    dsl:
      - |
        dmarc_record = tolower(dns_dmarc_record[0]);
        dmarc_policy = contains(dmarc_record, 'p=reject') ? 'Strong' :
                        contains(dmarc_record, 'p=quarantine') ? 'Medium' :
                        contains(dmarc_record, 'p=none') ? 'Weak' :
                        'Invalid or missing';
        'DMARC policy: ' + dmarc_policy

I'am getting the following error

[VER] Started metrics server at localhost:9092 [WRN] Could not load template /home/kali/spf3.yaml: yaml: unmarshal errors: line 35: field matchers not found in type templates.Alias [INF] Current nuclei version: v3.3.1 (latest) [INF] Current nuclei-templates version: v9.9.3 (latest) [WRN] Scan results upload to cloud is disabled. [INF] Targets loaded for current scan: 1 [INF] No results found. Better luck next time! [FTL] Could not run nuclei: no templates provided for scan

[Srinandu2291]

@ehsandeep or @rxerium could i please get some help. Thank you.

[Srinandu2291]

@dwisiswant0 any feedback?

[dwisiswant0]

Please make sure that the matchers key is indented under the dns entry, aligned similarly to the extractors key or previous keys.

dns:
  - a: b
    c: d

-matchers: []
+    matchers: []