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
metadata:
max-request: 1
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tags: dns,mx
dns:
- name: "{{FQDN}}"
type: MX
matchers:
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- type: regex
part: answer
regex:
- "IN\tMX\\t(.+)$"
extractors:
- type: regex
group: 1
regex:
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- "IN\tMX\t(.+)"
# digest: 4a0a0047304502205efe2d8fc4f39144631e42eaf8d4e45773974e43ff3d2db923203db6e044be4d022100c3fb0ba12d80ceff4ea27c45f1a3380ff6727b8a747803d3899a255fb2672f0f:922c64590222798bb761d5b6d8e72950