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Is .do safe? The state of .do domain security — Dominican Republic
.do is safer than the internet average. Across 26,407 graded .do domains, 63.7% score an F — cleaner than the 78.3% global average — better company than most of the web. 3.1% earn a B or better. Most .do 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 .do zone — covering Dominican Republic — 53.5% of 20,623 graded domains earn an F, well below the 73.8% internet-wide average. Only 0.4% reach an A or A+ — the highest protection tier in the census.
Note: .do is used as a proxy for Dominican Republic based on the domain's TLD, not where the company is registered.
How do .do domains score?
Aggregate grade distribution across all graded .do domains — we never publish an individual business's grade. As of 2026-08-16.
| Grade | Domains | Share |
|---|---|---|
| A+ | 15 | 0.1% |
| A | 79 | 0.3% |
| B | 733 | 2.8% |
| C | 2,505 | 9.5% |
| D | 6,265 | 23.7% |
| F | 16,810 | 63.7% |
Does .do 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 .do doesn't protect you, and a high-F-share ending doesn't doom you: a correctly configured .do domain earns an A while the crowd around it sits at F.
Want to know where your .do 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 .do safe?
On average, .do is safer than the internet average: 63.7% of its 26,407 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 .do domains?
36.3% of .do domains score above an F and 3.1% 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 .do 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 .do too.
What does "grade F" mean for a .do 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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