Published statistics / DMARC adoption by size band
DMARC adoption by size band
68.8% of IT service providers publish a DMARC record, 26,961 firms of the 40,404 whose DNS we have read.
Adoption climbs with headcount: 63.3% among firms of 1 to 10 people and 90.4% among firms above 250.
n = 32,236 providers with both a DNS read and a headcount on file · measured 2026-09-17
DMARC adoption by size band
n = 32,236 providers with both a DNS read and a headcount on file · measured 2026-09-17
68.8% of IT service providers publish a DMARC record, 26,961 firms of the 40,404 whose DNS we have read.
Adoption climbs with headcount: 63.3% among firms of 1 to 10 people and 90.4% among firms above 250.
- 1-10 employees63.3%
- 11-50 employees74.3%
- 51-250 employees81.5%
- 251+ employees90.4%
| Headcount band | Publishes DMARC | Providers measured |
|---|---|---|
| 1-10 employees | 63.3% | 17,687 |
| 11-50 employees | 74.3% | 9,659 |
| 51-250 employees | 81.5% | 3,663 |
| 251+ employees | 90.4% | 1,227 |
A live DNS read of each provider's own domain, banded by employee count; a firm counts as adopting when a DMARC record is present, whatever policy it sets.
Source: MSP Signal, DMARC adoption by size band, 2026-09-17, https://mspsignal.com/stats#dmarc-adoption