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C

trystencil.org

Email security grade C · 60/100

As of 2026-10-17 21:39 UTC
How grades work

The score is out of 100 and covers DMARC policy strength, alignment, reporting, SPF and DKIM coverage, MTA-STS and TLS-RPT. A+ is the strongest. A, A+ and B mean spoofing is largely blocked; C and D mean partial protection; E and F mean the domain is easy to spoof.

  • A+95+
  • A85+
  • B70+
  • C55+
  • D40+
  • E25+
  • Funder 25

Automated, point-in-time assessment of publicly visible DNS and HTTPS records only. It can lag record changes by up to 6 hours and is not a statement about the organization's overall security. Re-checked on request. Own this domain?

Score breakdown

Policy strictness: 30/30 Alignment mode: 10/15 Alignment mode: 5 points lost Reporting: 15 points lost Percent at fail position: 10/10 Authentication coverage: 10/20 Authentication coverage: 10 points lost MTA-STS: 5 points lost TLS-RPT: 5 points lost

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The other half: lookalike domains

A strong DMARC grade stops attackers spoofing trystencil.org directly. It does nothing about typosquat domains such as trystencil-login.com. Scan trystencil.org for lookalikes.

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About this grade: Automated, point-in-time assessment of publicly visible DNS and HTTPS records only. It can lag record changes by up to 6 hours and is not a statement about the organization's overall security. Re-checked on request. Data is read from public DNS and HTTPS endpoints at scan time; nothing is probed beyond those records. Dispute or request removal.