By Cargo / Hazardous Materials
Hazardous Materials Carriers — Email Security
74.6% of active hazardous materials carrier domains have no enforced DMARC — leaving this segment open to email impersonation, payment-redirect fraud, and cargo theft via phishing.
No enforced DMARC
74.6%
national: 80.1%
p=reject
10.3%
national: 7.5%
Microsoft 365
41.9%
national: 38.1%
M365 + no DMARC (carriers)
11,723
national: 92,822
MTA-STS
3.8%
national: 3.3%
DNSSEC
5.6%
national: 6.1%
Dead domains
1,580
of 39,674 scanned
Total carriers
45,574
1,581 with dead domain
Risk bands — Hazardous Materials carriers
Carrier counts by risk band (composite email-security pain score). Critical = score 70+; Minimal = score <15.
| Risk band | Score range | Carriers | Domains |
|---|---|---|---|
| Critical | score 70+ | 2,896 | 2,736 |
| High | score 50–69 | 11,902 | 10,720 |
| Medium | score 30–49 | 19,071 | 16,644 |
| Low | score 15–29 | 9,577 | 7,552 |
| Minimal | score <15 | 547 | 442 |
Hazardous Materials vs. national average
See where your own domain stands
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Data as of 2026-05-20 from public DNS measurements. Statistics are domain-weighted unless noted. Cargo segment membership is based on FMCSA Company Census cargo flags. Methodology: read the full index.