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SECURITY SCORE
Certificate Information
Subject
CN=status.redocly.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 05, 2026
Valid Until
April 05, 2026
73 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A5:D0:FE:C7:A8:6B:09:2D:B6:C1:79:A1:43:5B:BE:39:22:E1:69:F0:A9:5D:6F:D4:53:50:50:1F:C5:5C:6C:17
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
Weak
max-age=0
Content-Security-Policy
Basic
base-uri; block-all-mixed-content; frame-ancestors; +4 more
base-uri 'none'; block-all-mixed-content; frame-ancestors 'none'; object-src 'none'; script-src 'unsafe-inline' 'unsafe-eval' 'strict-dynamic' https: 'nonce-JthNn/GxTTgr9EAq5nfAekVkkVV0Fd9Y6WmgtTELzXs='; upgrade-insecure-requests; report-uri https://f08c81a681d074ab5fd23f897fe43f29.report-uri.com/r/d/csp/enforce
X-Frame-Options
Excellent
DENY
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports