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SECURITY SCORE
Certificate Information
Subject
CN=posten.cloud
Issuer
C=NO, O=Buypass AS-983163327, CN=Buypass Class 2 CA 5
Valid From
September 01, 2025
Valid Until
February 27, 2026
102 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
88:B9:81:6A:40:3C:70:B9:B6:4D:42:DB:52:E8:9D:7A:67:88:8B:41:FC:E5:A9:D8:B1:0C:C2:93:E7:C4:CE:14
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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)
Authorized CAs
Incident Reporting
mailto:[email protected]
CAA Issues
- • CRITICAL: Current certificate issuer 'C=NO, O=Buypass AS-983163327, CN=Buypass Class 2 CA 5' is NOT authorized by CAA records. Authorized CAs: buypass.no, letsencrypt.org
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'issuewild' records to control wildcard certificate issuance