Defaults.Exposed › By TLD › Rankings
The most & least secure TLDs
Ranked by the share of domains scoring an F (the lowest grade), among TLDs with at least 100,000 graded domains. As of 2026-06-28. Lower is better.
Strongest TLDs (lowest failure rate)
| # | TLD | Region / type | F-rate |
|---|---|---|---|
| 1 | .ch | Switzerland | 57.1% |
| 2 | .pl | Poland | 66.2% |
| 3 | .nl | Netherlands | 68.3% |
| 4 | .fr | France | 74% |
| 5 | .au | Australia | 74.8% |
| 6 | .co | Colombia | 75.1% |
| 7 | .br | Brazil | 76.9% |
| 8 | .eu | European Union | 77.5% |
| 9 | .es | Spain | 77.8% |
| 10 | .uk | United Kingdom | 79.3% |
| 11 | .io | Technology | 79.5% |
| 12 | .ca | Canada | 80.1% |
| 13 | .jp | Japan | 82% |
| 14 | .in | India | 82.8% |
| 15 | .app | Software | 85.6% |
Weakest TLDs (highest failure rate)
| # | TLD | Region / type | F-rate |
|---|---|---|---|
| 1 | .ph | Philippines | 99.7% |
| 2 | .bond | gTLD | 99% |
| 3 | .cn | China | 98.8% |
| 4 | .vip | gTLD | 98.4% |
| 5 | .sbs | gTLD | 97.3% |
| 6 | .cc | gTLD | 96.8% |
| 7 | .ru | Russia | 93.5% |
| 8 | .pro | gTLD | 92.6% |
| 9 | .store | Retail | 91.3% |
| 10 | .net | gTLD | 90.3% |
| 11 | .biz | gTLD | 90% |
| 12 | .shop | Retail | 89.9% |
| 13 | .org | gTLD | 87.6% |
| 14 | .us | United States | 87.4% |
| 15 | .com | gTLD | 86.9% |
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