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SECURITY SCORE
Certificate Information
Subject
CN=sffirecu.org
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
September 21, 2025
Valid Until
December 20, 2025
35 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
DF:C6:26:CD:15:F0:C5:3A:C3:17:B2:FE:F0:FC:94:6B:77:C0:0B:62:D6:22:60:A6:CF:6B:40:A3:BC:D9:FA:CF
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; includeSubdomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin
Permissions-Policy
Present
geolocation=(), midi=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), fullscreen=(self), payment=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
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