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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=ischemicstroke.org
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 04, 2026
Valid Until
May 05, 2026
80 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A0:92:D8:7F:50:73:69:D3:3C:9E:40:A8:1D:0A:61:0B:3D:F0:A3:55:49:A6:5D:27:19:E8:E4:20:3A:9B:D1:C0
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports
Subject Alternative Names
89 domains
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ischemicstroke.org
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Other domains in certificate