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Is .jp safe? The state of .jp domain security — Japan
.jp is safer than the internet average. Across 1,591,564 graded .jp domains, 67.3% score an F — cleaner than the 78.3% global average — better company than most of the web. 0.8% earn a B or better. Most .jp domains can still be impersonated in email, but the ending shifts the odds, not your own domain's grade. As of 2026-08-16.
In the .jp zone — covering Japan — 60.4% of 1,107,471 graded domains earn an F, well below the 73.8% internet-wide average. DMARC enforcement here stands at 5.9% — below the 11.8% census-wide rate.
Note: .jp is used as a proxy for Japan based on the domain's TLD, not where the company is registered.
How do .jp domains score?
Aggregate grade distribution across all graded .jp domains — we never publish an individual business's grade. As of 2026-08-16.
| Grade | Domains | Share |
|---|---|---|
| A+ | 101 | 0% |
| A | 853 | 0.1% |
| B | 12,531 | 0.8% |
| C | 111,227 | 7% |
| D | 396,524 | 24.9% |
| F | 1,070,328 | 67.3% |
Does .jp make a domain secure?
No — and that's the most important thing to know. A domain's grade is decided by how it is configured (SPF, DMARC, HTTPS, DNS), not by its ending. Choosing .jp doesn't protect you, and a high-F-share ending doesn't doom you: a correctly configured .jp domain earns an A while the crowd around it sits at F.
Want to know where your .jp domain ranks? Check it privately and free — we only ever show an individual domain's grade to its verified owner. Run the free check →
Frequently asked questions
Is .jp safe?
On average, .jp is safer than the internet average: 67.3% of its 1,591,564 graded domains score an F as of 2026-08-16, against a 78.3% global average. Most domains on every ending are exposed — the ending shifts the odds, not your own domain's grade.
How secure are .jp domains?
32.7% of .jp domains score above an F and 0.8% earn a B or better. The rest fail the basic externally observable protections, most importantly enforced SPF and DMARC, so they can be impersonated in email.
Does choosing .jp make my domain secure?
No. A domain's grade comes from how it is configured — SPF, DMARC, HTTPS, DNS — not from its ending. A well-configured domain earns an A on any ending; an unconfigured one sits at F on .jp too.
What does "grade F" mean for a .jp domain?
It fails the basic protections we can observe from outside — above all, it has no enforced SPF and DMARC, so its email can be forged and its customers targeted with convincing fakes.
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