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SECURITY SCORE
Certificate Information
Subject
CN=superannotate.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
September 06, 2025
Valid Until
December 05, 2025
29 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
CD:9C:F4:58:D6:63:45:7D:1B:9A:E7:9C:19:E8:3B:3B:46:AB:A0:44:9A:CA:20:80:45:CB:A9:CA:44:48:BB:19
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Not Authorized
(Potential misconfiguration)
Wildcard CAs
CAA Issues
- • CRITICAL: Current certificate issuer 'C=US, O=Let's Encrypt, CN=R13' is NOT authorized by CAA records. Authorized CAs:
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts