nuclei-templates/dns/mx-fingerprint.yaml

id: mx-fingerprint

info:
  name: MX Fingerprint
  author: pdteam
  severity: info
  tags: dns,mx

dns:
  - name: "{{FQDN}}"
    type: MX

    matchers:
      - type: word
        words:
          - "IN\tMX"

    extractors:
      - type: regex
        group: 1
        regex:
          - "IN\tMX\t(.+)"