By State / District of Columbia
District of Columbia Trucking Email Security
71.7% of active carrier domains in District of Columbia have no enforced DMARC — leaving freight operators open to email impersonation, payment-redirect fraud, and cargo theft via phishing.
No enforced DMARC
71.7%
national: 80.1%
p=reject
12.0%
national: 7.5%
Microsoft 365
48.2%
national: 38.1%
M365 + no DMARC (carriers)
63
national: 92,822
MTA-STS
4.2%
national: 3.3%
DNSSEC
4.2%
national: 6.1%
Dead domains
10
of 201 scanned
Total carriers
212
10 with dead domain
Risk bands — District of Columbia 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+ | 14 | 14 |
| High | score 50–69 | 44 | 44 |
| Medium | score 30–49 | 97 | 89 |
| Low | score 15–29 | 43 | 40 |
| Minimal | score <15 | 4 | 4 |
District of Columbia 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.