US Trucking Email Security Index / By Cargo
Email Security by Cargo Type
DMARC enforcement, SPF posture, MTA-STS, and DNSSEC adoption across active US motor carriers in 14 cargo segments — measured via public DNS. Each segment page shows risk bands, email infrastructure split, and a national comparison.
General Freight80.6% no DMARC · 169,977 carriersBuilding Materials79.6% no DMARC · 87,015 carriersLarge Machinery78.1% no DMARC · 70,561 carriersHazardous Materials74.6% no DMARC · 45,574 carriersGrain / Feed79.1% no DMARC · 26,271 carriersMotor Vehicles80.2% no DMARC · 22,079 carriersHousehold Goods81.6% no DMARC · 17,343 carriersLiquids / Gas (Tanker)70.9% no DMARC · 16,694 carriersRefrigerated / Cold Chain78.1% no DMARC · 16,211 carriersChemicals68.8% no DMARC · 9,577 carriersIntermodal Containers79.5% no DMARC · 9,463 carriersOilfield Equipment77.1% no DMARC · 8,085 carriersLivestock76.9% no DMARC · 7,958 carriersPassengers63.6% no DMARC · 6,508 carriers
See where your own domain stands
The research is free and self-serve. Run the same public checks on your own domain in about a minute — SPF, DKIM, DMARC, MTA-STS, DNSSEC, and more — and get a scored report by email. No agents, no credentials.