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SSL Certificate: astronomical.net

đŸŸĸ Valid Certificate
Common Nameastronomical.net
IssuerLet's Encrypt
Issuer CNR12
Valid FromApr 22 19:37:49 2026 GMT
Valid UntilJul 21 19:37:48 2026 GMT (84 days left)
Serial Number05FD8CDC62C6D606A543D4A4C139DB2FB9D7
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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