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SSL Certificate: merck.com

🟢 Valid Certificate
Common Namemerck.com
IssuerLet's Encrypt
Issuer CNE8
Valid FromApr 26 14:38:11 2026 GMT
Valid UntilJul 25 14:38:10 2026 GMT (48 days left)
Serial Number05405CC6C57849B87EA1D911D2C447640A34
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and merck.com's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Merck website.

Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.