By State / Ohio
Ohio Trucking Email Security
75.9% of active carrier domains in Ohio have no enforced DMARC — leaving freight operators open to email impersonation, payment-redirect fraud, and cargo theft via phishing.
No enforced DMARC
75.9%
national: 80.1%
p=reject
9.0%
national: 7.5%
Microsoft 365
38.8%
national: 38.1%
M365 + no DMARC (carriers)
2,532
national: 92,822
MTA-STS
3.5%
national: 3.3%
DNSSEC
7.2%
national: 6.1%
Dead domains
446
of 9,138 scanned
Total carriers
11,310
447 with dead domain
Risk bands — Ohio 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+ | 760 | 686 |
| High | score 50–69 | 2,934 | 2,577 |
| Medium | score 30–49 | 4,856 | 3,726 |
| Low | score 15–29 | 2,211 | 1,615 |
| Minimal | score <15 | 102 | 88 |
Ohio vs. national average
See where your own domain stands
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Data as of 2026-05-20from public DNS measurements. Statistics are domain-weighted unless noted. State scope is the carrier's FMCSA-registered state. Methodology: read the full index.