nuclei-templates/dns/cname-fingerprint.yaml

id: cname-fingerprint

info:
  name: CNAME Fingerprint
  author: pdteam
  severity: info
  tags: dns,cname

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

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

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