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SECURITY SCORE
Certificate Information
Subject
CN=docs.wolfia.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 20, 2025
Valid Until
February 18, 2026
48 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AA:D5:95:84:42:50:CD:1D:29:DC:25:52:42:F1:F5:44:60:C8:26:39:D9:60:A5:26:29:9F:41:DC:2B:EA:29:0E
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=63072000
Content-Security-Policy
Weak
worker-src; object-src; base-uri; +3 more
worker-src * blob: data: 'unsafe-eval' 'unsafe-inline'; object-src data: ; base-uri 'self'; upgrade-insecure-requests; frame-ancestors 'none'; form-action 'self' https://codesandbox.io;
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • Add X-Content-Type-Options: nosniff
- • 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
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