Open
Cached
·
just now
80/100
SECURITY SCORE
Certificate Information
Subject
CN=bluesageusa.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 12, 2025
Valid Until
February 10, 2026
31 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6D:D3:F9:F7:C8:A2:BF:79:AD:18:BD:CF:F6:37:27:AA:10:4C:B4:F7:7C:36:83:91:20:0D:7B:83:59:BB:15:E8
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
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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