Defaults.Exposed › Stats › DNS & infrastructure
How many DNSSEC deployments are broken?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, 1.4% of all DNSSEC-signed domains in the Defaults.Exposed census have a broken chain — 240,016 broken deployments against 17,317,905 valid ones.
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Statistic current as of July 28, 2026. Recomputed from the live census each edition; the number on this page and the machine-readable twin always match. Please cite Defaults.Exposed and link this page.
Defaults.Exposed, "How many DNSSEC deployments are broken?" (as of July 28, 2026). https://defaults.exposed/stats/how-many-dnssec-deployments-are-broken
Permalink:https://defaults.exposed/stats/how-many-dnssec-deployments-are-broken · Machine-readable:dnssec-broken.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.