check_dmarc

The check_dmarc tool is provided by BlackVeil DNS & Email Security Scanner. Install that server in your AI client and the assistant can call it directly.

Servers exposing check_dmarc

• BlackVeil DNS & Email Security ScannerB · 79HTTP

  From the publisher:Look up and validate the DMARC record for a domain. Shows the enforcement level (none/quarantine/reject), alignment mode (strict/relaxed), and aggregate/forensic reporting destinations. Use to determine a domain's DMARC enforcement level, whether it sends aggregate reports, or if it is protected against email impersonation — distinct from check_shadow_domains (which checks TLD variants) and assess

  Parameter	Type	Description
  domain*	string	Domain to check (e.g., example.com)
  force_refresh	boolean	Bypass cache and run a fresh check. Useful after DNS changes.
  format	string	Output verbosity. Auto-detected if omitted.

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Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.