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Is .guru safe? The state of .guru domain security
.guru is riskier than the internet average. Across 57,379 graded .guru domains, 85.7% score an F — worse than the 78.3% global average — heavier on exposed domains than the web as a whole. 3.5% earn a B or better. Most .guru domains can still be impersonated in email, but the ending shifts the odds, not your own domain's grade. As of 2026-08-16.
Of 48,866 graded .guru domains, 84.4% earn an F — well above the 73.8% internet-wide average. Only 0.1% reach an A or A+ — the highest protection tier in the census.
How do .guru domains score?
Aggregate grade distribution across all graded .guru domains — we never publish an individual business's grade. As of 2026-08-16.
| Grade | Domains | Share |
|---|---|---|
| A+ | 15 | 0% |
| A | 61 | 0.1% |
| B | 1,921 | 3.3% |
| C | 2,225 | 3.9% |
| D | 3,984 | 6.9% |
| F | 49,173 | 85.7% |
Does .guru 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 .guru doesn't protect you, and a high-F-share ending doesn't doom you: a correctly configured .guru domain earns an A while the crowd around it sits at F.
Want to know where your .guru 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 .guru safe?
On average, .guru is riskier than the internet average: 85.7% of its 57,379 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 .guru domains?
14.3% of .guru domains score above an F and 3.5% 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 .guru 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 .guru too.
What does "grade F" mean for a .guru 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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