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How secure are Healthcare domains?
Businesses that chose the .health ending — typically in Healthcare — number 59,127 graded domains. Here's how their security looks. Aggregate only. As of 2026-08-16.
This reflects firms that picked the .health ending; most Healthcare businesses on a generic ending like .com aren't captured here.
Grade distribution
| Grade | Domains | Share |
|---|---|---|
| A+ | 13 | 0% |
| A | 106 | 0.2% |
| B | 1,445 | 2.4% |
| C | 4,910 | 8.3% |
| D | 6,910 | 11.7% |
| F | 45,743 | 77.4% |
Against the internet average
Across the entire census, 78.3% of graded domains score an F. Among .health domains it is 77.4% — the sector's businesses are roughly in line with the internet at large. As of 2026-08-16.
Frequently asked questions
What share of .health domains are effectively unprotected?
77.4% of the 59,127 graded .health domains score an F, meaning core protections like enforced DMARC are missing and the domain can typically be email-spoofed. As of 2026-08-16.
Does this cover every Healthcare business?
No. It covers the businesses that chose the .health ending. Most Healthcare firms sit on a generic ending like .com and are not captured here — treat this as a sector-flavoured sample, not a census of the whole industry.
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