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SECURITY SCORE
Certificate Information
Subject
CN=community.cesium.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 01, 2025
Valid Until
January 30, 2026
54 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
64:7E:BD:E9:73:05:A5:65:53:97:4D:69:B0:9C:1D:20:F0:8A:60:5C:92:78:86:3F:82:B8:FB:5D:63:C3:F4:04
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
Basic
upgrade-insecure-requests; base-uri; object-src; +3 more
upgrade-insecure-requests; base-uri 'self'; object-src 'none'; script-src 'nonce-HZom0jonKHjATylreSBoBXfcb' 'strict-dynamic'; frame-ancestors 'self'; manifest-src 'self'
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
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
- • Consider adding 'issuewild' records to control wildcard certificate issuance