Defaults.Exposed › By TLD › .io
The state of .io domain security
Across 823,855 graded .io (Technology) domains, here is how domain security breaks down. Aggregate patterns only — we never publish an individual business's grade. As of 2026-06-27.
Grade distribution
| Grade | Domains | Share |
|---|---|---|
| A+ | 156 | 0% |
| A | 830 | 0.1% |
| B | 10,701 | 1.3% |
| C | 49,827 | 6% |
| D | 117,764 | 14.3% |
| F | 644,577 | 78.2% |
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