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SSL Certificate: postnl.nl

🟢 Valid Certificate
Common Namepostnl.nl
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 23 10:25:36 2026 GMT
Valid UntilJun 21 10:25:35 2026 GMT (50 days left)
Serial Number056B588F3483267BC300DCD7B6B28A78980D
ℹ️ About SSL Certificates

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

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