Defaults.Exposed › By TLD › .bio
The state of .bio domain security
Across 57,683 graded .bio 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+ | 1 | 0% |
| A | 7 | 0% |
| B | 205 | 0.4% |
| C | 1,194 | 2.1% |
| D | 3,787 | 6.6% |
| F | 52,489 | 91% |
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