MTA-STS · Greece (domains)

What share of domains in Greece have no enforcing MTA-STS policy (absent or testing mode)?

100%

100% of domains in Greece (95% CI 98.62–100%), measured across 274 domains on 2026-08-10.

testing: 0.36%no record: 99.64%
testing · 0.36%no record · 99.64%
Trend

Measured every Monday since 2026-08-01 — 4 observations to date. Last measured 2026-08-10.

How this is measured

Tier 0 + 3a. TXT at _mta-sts.<domain>; if present, fetch https://mta- sts.<domain>/.well-known/mta-sts.txt and read mode. Denominator: has_mx.

Passive measurement: a single DNS lookup, TLS handshake, or homepage GET per domain. Aggregate-only; no individual company is named. 95% Wilson confidence intervals. Population: domains sampled from the Common Crawl web graph, filtered to those that do email. Parked domains excluded. Snapshot: common-crawl-domain-stratified-c400-g2500-seed20260729.

Licensed CC BY 4.0 — reuse with attribution to Quiet Failures. Download: JSON · CSV.

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Why it matters

The declared-vs-enforcing split is exactly the brand thesis. mode: testing publishes a policy, produces reports, and does not require TLS — downgrade attacks still work. The DNS record alone looks like adoption; only the fetched policy reveals whether it bites.

The same check, other segments

Show the remaining 65 segments

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