{
  "id": "dmarc-fail",
  "url": "https://defaults.exposed/stats/what-percent-of-domains-fail-dmarc",
  "question": "What percent of domains fail DMARC?",
  "answer": "As of August 16, 2026, 90.7% of the 377 million domains graded in the Defaults.Exposed census fail the DMARC check — 341,945,132 domains with no enforcing DMARC policy. That includes 80.0% with no DMARC record at all and 10.8% stuck at p=none, which monitors but blocks nothing.",
  "value": 90.71877165114095,
  "formatted": "90.7",
  "unit": "percent",
  "values": {
    "PCT": {
      "value": 90.71877165114095,
      "formatted": "90.7"
    },
    "COUNT": {
      "value": 341945132,
      "formatted": "341,945,132"
    },
    "ABSPCT": {
      "value": 79.95078698560404,
      "formatted": "80.0"
    },
    "NONEPCT": {
      "value": 10.76049147219468,
      "formatted": "10.8"
    },
    "TOTALM": {
      "value": 376928750,
      "formatted": "377 million"
    }
  },
  "asOf": "2026-08-16",
  "note": "\"Fail\" here means the domain does not enforce DMARC (no record, an invalid record, or p=none). Enforcement (p=quarantine or p=reject) is the only setting that instructs receivers to act on spoofed mail.",
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  "source": "Defaults.Exposed census",
  "dataset": "https://defaults.exposed/data",
  "methodology": "https://defaults.exposed/en/methodology",
  "license": "https://defaults.exposed/license",
  "citation": "Defaults.Exposed, \"What percent of domains fail DMARC?\" (as of August 16, 2026). https://defaults.exposed/stats/what-percent-of-domains-fail-dmarc"
}