17,711 websites detected · Updated Oct 31, 2026
OpenSSL is a technology in the Authentication Services category. 17,711 websites use OpenSSL, detected by Hunter on Oct 31, 2026.
Create a free accountA sample of the websites Hunter detects OpenSSL on, ordered by web popularity.
| Domain name | Industry | ||
|---|---|---|---|
| 1 |
|
Computer and Network Security | 421 email addresses |
| 2 |
|
Technology, Information and Internet | 2,543 email addresses |
| 3 |
|
Software Development | 670 email addresses |
| 4 |
|
IT Services and IT Consulting | 195,961 email addresses |
| 5 |
|
Financial Services | 179 email addresses |
Hunter already holds email addresses at all 50 websites listed above.
Anish P.
· Head Of Sales
Cloudflare
a****@cloudflare.com 84%
Alexandra A.
· Marketing Director
GoDaddy
a****@godaddy.com 99%
Chris M.
· Independent Contractor
Amazon
m****@amazon.co.jp 84%
Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.
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Websites running OpenSSL, counted by industry and by country. Only the largest groups are shown.
| Industry | Websites |
|---|---|
| Professional Services | 1,266 |
| Technology, Information and Media | 1,223 |
| Manufacturing | 582 |
| Education | 437 |
| Consumer Services | 403 |
| Entertainment Providers | 339 |
| Government Administration | 295 |
| Retail | 263 |
| Financial Services | 241 |
| Hospitals and Health Care | 232 |
| Administrative and Support Services | 230 |
| Accommodation Services | 213 |
| Country | Websites |
|---|---|
| United States | 3,231 |
| United Kingdom | 588 |
| Germany | 458 |
| Canada | 450 |
| Japan | 412 |
| India | 283 |
| France | 279 |
| Netherlands | 256 |
| Spain | 228 |
| Russia | 214 |
| Brazil | 206 |
| Norway | 192 |
The countries where we detected enough OpenSSL websites to rank them.