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SECURITY SCORE
Certificate Information
Subject
CN=rhpl.org
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
October 31, 2025
Valid Until
January 29, 2026
24 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A6:70:97:FC:F9:6E:A7:28:50:79:FD:17:AA:5D:0A:30:6C:5F:18:11:C1:F3:3F:DB:44:6E:B3:EE:83:A6:2A:C8
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=86400
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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=R12' 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