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How secure are Tanzania's domains?
Most businesses in Tanzania use a .tz domain. Across 36,861 of them, here's how their security stacks up — aggregate patterns only, never an individual business. As of 2026-08-16.
In the .tz zone — covering Tanzania — 50.9% of 31,646 graded domains earn an F, well below the 73.8% internet-wide average. Only 0.1% reach an A or A+ — the highest protection tier in the census.
We use .tz as a stand-in for Tanzania, based on the domain's ending rather than where a company is legally registered — so Tanzania businesses using a generic ending like .com aren't counted here.
Grade distribution
| Grade | Domains | Share |
|---|---|---|
| A+ | 2 | 0% |
| A | 27 | 0.1% |
| B | 563 | 1.5% |
| C | 4,312 | 11.7% |
| D | 11,563 | 31.4% |
| F | 20,394 | 55.3% |
See exactly where your own Tanzania domain ranks — free and private → Check your domain. Or browse .tz in detail and the most & least secure TLDs.
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