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How secure are Healthcare domains?
Businesses that chose the .health ending — typically in Healthcare — number 56,210 graded domains. Here's how their security looks. Aggregate only. As of 2026-07-29.
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+ | 14 | 0% |
| A | 88 | 0.2% |
| B | 1,235 | 2.2% |
| C | 4,327 | 7.7% |
| D | 6,793 | 12.1% |
| F | 43,753 | 77.8% |
Against the internet average
Across the entire census, 73.8% of graded domains score an F. Among .health domains it is 77.8% — the sector's businesses are doing worse than the internet at large. As of 2026-07-29.
Frequently asked questions
What share of .health domains are effectively unprotected?
77.8% of the 56,210 graded .health domains score an F, meaning core protections like enforced DMARC are missing and the domain can typically be email-spoofed. As of 2026-07-29.
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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