Defaults.Exposed › Stats › Email authentication (SPF, DKIM, DMARC)
What percent of domains enforce DMARC?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, only 11.8% of the 276 million domains graded in the Defaults.Exposed census publish an enforcing DMARC policy (p=quarantine or p=reject) — 32,637,258 domains.
| Result | Domains | Share |
|---|---|---|
| p=reject (enforcing) | 14,905,656 | 5.4% |
| p=quarantine (enforcing) | 17,731,602 | 6.4% |
| p=none (monitor only) | 38,476,504 | 14.0% |
| DMARC present but invalid | 27,548 | 0.0% |
| No DMARC record | 204,524,965 | 74.2% |
Cite this
Statistic current as of July 28, 2026. Recomputed from the live census each edition; the number on this page and the machine-readable twin always match. Please cite Defaults.Exposed and link this page.
Defaults.Exposed, "What percent of domains enforce DMARC?" (as of July 28, 2026). https://defaults.exposed/stats/what-percent-of-domains-enforce-dmarc
Permalink:https://defaults.exposed/stats/what-percent-of-domains-enforce-dmarc · Machine-readable:dmarc-enforced.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.