By State / Colorado
Colorado Trucking Email Security
79.0% of active carrier domains in Colorado have no enforced DMARC — leaving freight operators open to email impersonation, payment-redirect fraud, and cargo theft via phishing.
No enforced DMARC
79.0%
national: 80.1%
p=reject
8.4%
national: 7.5%
Microsoft 365
37.1%
national: 38.1%
M365 + no DMARC (carriers)
2,256
national: 92,822
MTA-STS
4.3%
national: 3.3%
DNSSEC
5.3%
national: 6.1%
Dead domains
850
of 8,337 scanned
Total carriers
10,031
850 with dead domain
Risk bands — Colorado 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+ | 1,074 | 918 |
| High | score 50–69 | 2,577 | 2,130 |
| Medium | score 30–49 | 3,855 | 3,190 |
| Low | score 15–29 | 1,591 | 1,180 |
| Minimal | score <15 | 84 | 69 |
Colorado 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.