US Trucking Email Security Index / By State
Email Security by State
DMARC enforcement, SPF posture, MTA-STS, and DNSSEC adoption across active US motor carriers in all 51 states — measured via public DNS. Each state page shows per-state risk bands, email infrastructure split, and a national comparison.
California80.1% no DMARC · 36,967 carriersTexas80.8% no DMARC · 32,465 carriersNew York80.6% no DMARC · 22,356 carriersFlorida79.3% no DMARC · 17,917 carriersPennsylvania78.3% no DMARC · 17,184 carriersGeorgia80.5% no DMARC · 15,569 carriersMinnesota79.3% no DMARC · 14,179 carriersMichigan78.1% no DMARC · 13,943 carriersWisconsin77.0% no DMARC · 13,274 carriersIllinois77.9% no DMARC · 12,352 carriersWashington78.0% no DMARC · 11,961 carriersMassachusetts80.3% no DMARC · 9,925 carriersOhio75.9% no DMARC · 11,310 carriersColorado79.0% no DMARC · 10,031 carriersNew Jersey78.8% no DMARC · 9,844 carriersNorth Carolina78.2% no DMARC · 9,256 carriersIndiana76.3% no DMARC · 9,012 carriersMaryland78.9% no DMARC · 7,970 carriersKentucky77.1% no DMARC · 6,201 carriersAlabama79.6% no DMARC · 5,925 carriersOregon77.5% no DMARC · 5,752 carriersArizona79.5% no DMARC · 6,280 carriersIowa73.0% no DMARC · 5,584 carriersUtah78.9% no DMARC · 5,271 carriersMissouri74.5% no DMARC · 6,074 carriersOklahoma78.5% no DMARC · 4,697 carriersTennessee75.9% no DMARC · 5,568 carriersVirginia76.2% no DMARC · 5,112 carriersKansas75.6% no DMARC · 4,768 carriersSouth Carolina79.2% no DMARC · 4,191 carriersConnecticut79.2% no DMARC · 4,450 carriersNebraska76.7% no DMARC · 4,402 carriersAlaska78.2% no DMARC · 2,305 carriersMaine81.0% no DMARC · 2,664 carriersIdaho78.6% no DMARC · 2,891 carriersNew Hampshire80.3% no DMARC · 1,970 carriersLouisiana72.9% no DMARC · 2,593 carriersMontana76.0% no DMARC · 2,247 carriersMississippi77.6% no DMARC · 1,898 carriersWest Virginia78.6% no DMARC · 1,799 carriersNevada74.0% no DMARC · 2,231 carriersArkansas77.4% no DMARC · 1,871 carriersHawaii77.3% no DMARC · 1,736 carriersNew Mexico79.1% no DMARC · 1,737 carriersWyoming78.6% no DMARC · 1,663 carriersNorth Dakota77.6% no DMARC · 2,035 carriersSouth Dakota72.2% no DMARC · 1,945 carriersDelaware78.5% no DMARC · 1,159 carriersRhode Island74.9% no DMARC · 1,069 carriersVermont77.9% no DMARC · 736 carriersDistrict of Columbia71.7% no DMARC · 212 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.