nuclei-templates/dns/mx-fingerprint.yaml

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id: mx-fingerprint
info:
name: MX Record Detection
author: pdteam
severity: info
description: An MX record was detected. MX records direct emails to a mail exchange server.
reference:
- https://www.cloudflare.com/learning/dns/dns-records/dns-mx-record/
- https://mxtoolbox.com/
classification:
cwe-id: CWE-200
tags: dns,mx
metadata:
max-request: 1
dns:
- name: "{{FQDN}}"
type: MX
matchers:
- type: word
words:
- "IN\tMX"
extractors:
- type: regex
group: 1
regex:
2023-07-06 05:54:47 +00:00
- "IN\tMX\t(.+)"