SSL Certificate: www.astm.com
🟢 Valid Certificate
| Common Name | astm.com |
|---|---|
| Organization | American Society for Testing and Materials |
| Issuer | DigiCert Inc |
| Issuer CN | DigiCert Global G2 TLS RSA SHA256 2020 CA1 |
| Valid From | Jun 25 00:00:00 2026 GMT |
| Valid Until | Jan 9 23:59:59 2027 GMT (183 days left) |
| Serial Number | 0F4C119373B23E76EBC90796F7D509AF |
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates
SSL (Secure Sockets Layer) certificates encrypt data between your browser and www.astm.com's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Astm website.
Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.
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