col.cougarmtn.comSSL Check Results
57
days until expiration
TLSv1.2
ECDHE-RSA-AES256-GCM-SHA384
Let's Encrypt
3072 bits
0613C3E1D293F05C6F04F593ECD4F416EDC6
2B:36:63:8C:C7:56:39:51:2E:F9:7A:D0:1F:7D:D1:BB:5F:2C:49:4F
9B:11:E8:82:E6:1F:FA:65:29:04:2C:C4:FF:A6:F9:AE:BD:35:1A:3A:EF:F0:2E:4A:E4:E2:BF:C9:57:E3:57:F6
Security Score
Excellent security configuration
R13
57 days
Mar 29, 2026
Jun 27, 2026
Security Analysis
Secure
Secure
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Certificate History
No historical data found
SSL Security Best Practices
Automate Renewals
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Use Strong Protocols
Always prefer TLS 1.3 or 1.2. Disable older, vulnerable protocols like SSL 3.0, TLS 1.0, and TLS 1.1 on your server.
Monitor Transparency
Keep an eye on Certificate Transparency (CT) logs to ensure no unauthorized certificates are issued for your domain.
Frequently Asked Questions
Everything you need to know about col.cougarmtn.com's security status.
Q:When does col.cougarmtn.com's SSL certificate expire?
col.cougarmtn.com's certificate expires on June 27, 2026, which is in 57 days.
Q:Who issued the certificate for col.cougarmtn.com?
It was issued by Let's Encrypt. This issuer is recognized by all major browsers.
Q:Is the connection to col.cougarmtn.com safe?
Yes, the certificate is valid, meaning communication with col.cougarmtn.com is encrypted and secure.
Q:Can I monitor this domain for free?
Yes! You can register at GuardSSL to get automatic alerts before col.cougarmtn.com's certificate expires, preventing any downtime.