B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
84%
84% -- percentage of domains without dmarc record for sending domains (2024-11)
84% of 22 million analyzed sending domains have no DMARC record at all as of November 2024.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
84%
Unit
Percentage
Data Vintage
2024-11
Entity
Sample Size
22,000,000
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Validity
Primary
Tier B
https://dmarcguard.io/blog/dmarc-failed-how-to-fix/ ↗
Source Article
DMARC Fail: 7 Causes & How to Fix Each (2026 Guide) | DMARCguard
DMARC Fail: 7 Causes & How to Fix Each (2026 Guide)
DMARC failures bounce or junk legitimate email — and 9 out of 10 are caused by SPF/DKIM misalignment, third-party senders, or email forwarding. Below, walk through each cause, diagnose which one hit your domain, and fix it today. For a fast, automa…
Original Research
Validity
· Original study ↗
Methodology
Validity analysis of sending domains
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
sending domains: 84% percentage of domains without dmarc record. Source: Validity (2024-11). Via Lighthouse Intelligence -- https://lighthousedata.io/data/domains-no-dmarc-record-2024
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<blockquote cite="https://lighthousedata.io/data/domains-no-dmarc-record-2024" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>84%</strong> -- percentage of domains without dmarc record for sending domains<br><small>Source: Validity (2024-11) · <a href="https://lighthousedata.io/data/domains-no-dmarc-record-2024" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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