Defaults.Exposed › By TLD › .cool
Is .cool safe? The state of .cool domain security
.cool is riskier than the internet average. Across 17,110 graded .cool domains, 77.1% score an F — worse than the 73.8% global average — heavier on exposed domains than the web as a whole. 2% earn a B or better. Most .cool domains can still be impersonated in email, but the ending shifts the odds, not your own domain's grade. As of 2026-07-29.
How do .cool domains score?
Aggregate grade distribution across all graded .cool domains — we never publish an individual business's grade. As of 2026-07-29.
| Grade | Domains | Share |
|---|---|---|
| A+ | 9 | 0.1% |
| A | 13 | 0.1% |
| B | 314 | 1.8% |
| C | 1,219 | 7.1% |
| D | 2,362 | 13.8% |
| F | 13,193 | 77.1% |
Does .cool 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 .cool doesn't protect you, and a high-F-share ending doesn't doom you: a correctly configured .cool domain earns an A while the crowd around it sits at F.
Want to know where your .cool 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 .cool safe?
On average, .cool is riskier than the internet average: 77.1% of its 17,110 graded domains score an F as of 2026-07-29, against a 73.8% global average. Most domains on every ending are exposed — the ending shifts the odds, not your own domain's grade.
How secure are .cool domains?
22.9% of .cool domains score above an F and 2% 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 .cool 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 .cool too.
What does "grade F" mean for a .cool 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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