Defaults.Exposed › Stats › DNS & infrastructure
What percent of domains use DNSSEC?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, only 6.3% of the 276 million domains graded in the Defaults.Exposed census have a valid DNSSEC chain — 17,317,905 domains. A further 0.1% are signed but broken.
| Result | Domains | Share |
|---|---|---|
| Signed, valid chain | 17,317,905 | 6.3% |
| Signed but broken | 240,016 | 0.1% |
| Unsigned | 258,108,354 | 93.6% |
Cite this
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, "What percent of domains use DNSSEC?" (as of July 28, 2026). https://defaults.exposed/stats/what-percent-of-domains-use-dnssec
Permalink:https://defaults.exposed/stats/what-percent-of-domains-use-dnssec · Machine-readable:dnssec-adoption.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.