Legacy TLS · Italy (domains)

What share of domains in Italy have legacy TLS 1.0/1.1 still enabled?

10.74%

10.74% of domains in Italy (95% CI 7.44–15.28%), measured across 242 domains on 2026-08-13.

modern_only: 89.26%legacy_enabled: 10.74%
modern_only · 89.26%legacy_enabled · 10.74%
Trend

Measured every Thursday since 2026-08-01 — 2 observations to date. Last measured 2026-08-13.

How this is measured

Tier 2, via the DomainAPI TLS endpoint, which tests each protocol version explicitly. Denominator: has_web.

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.

Why it matters

Supporting a deprecated protocol version is invisible from the browser — the site loads over TLS 1.3 and looks modern — while the server remains willing to downgrade for anything that asks.

Limits of this measurement

Must be measured server-side. A modern client cannot detect this, because its own OpenSSL refuses to offer TLS 1.0/1.1.

The same check, other segments

Show the remaining 65 segments

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