Defaults.Exposed › By TLD › .cz
The state of .cz domain security — Czechia
Partial dataset — .cz is still being processed; figures firm up in the next edition.
Across 878,505 graded .cz (a proxy for Czechia) domains, here is how domain security breaks down. Aggregate patterns only — we never publish an individual business's grade. As of 2026-06-28.
Note: .cz is used as a proxy for Czechia based on the domain's TLD, not where the company is registered.
Grade distribution
| Grade | Domains | Share |
|---|---|---|
| A+ | 48 | 0% |
| A | 385 | 0% |
| B | 4,507 | 0.5% |
| C | 34,755 | 4% |
| D | 160,677 | 18.3% |
| F | 678,133 | 77.2% |
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