B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
16.3%
16.3% -- dmarc rua reporting rate for Tranco Top Sites domains (2026-02)
16.3% of scanned Tranco Top Sites domains have DMARC RUA reporting configured.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
16.3%
Unit
Percentage
Data Vintage
2026-02
Entity
Sample Size
5,499,028
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
DMARCguard
Primary
Tier A
https://dmarcguard.io/blog/dmarc-enforcement-gap/ ↗
Source Article
DMARC Adoption Rate 2026: The 12.8% Enforcement Gap | DMARCguard
A DMARC record is not the same as DMARC protection. The DMARC adoption rate across the web has climbed past 30%, yet most of those records do nothing to stop spoofed mail — they only watch it. That single distinction is the whole story of the 2026 enforcement gap.
We measured it ourselves. In Februa…
Original Research
DMARCguard
· Original study ↗
Methodology
First-party DNS scan of Tranco domains
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Tranco Top Sites domains: 16.3% dmarc rua reporting rate. Source: DMARCguard (2026-02). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dmarc-rua-reporting-rate-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/dmarc-rua-reporting-rate-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>16.3%</strong> -- dmarc rua reporting rate for Tranco Top Sites domains<br><small>Source: DMARCguard (2026-02) · <a href="https://lighthousedata.io/data/dmarc-rua-reporting-rate-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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