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SECURITY SCORE
Certificate Information
Subject
CN=app.localizejs.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 16, 2026
Valid Until
April 16, 2026
73 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
D9:19:A9:C7:B0:23:14:8B:EE:8B:79:E0:10:94:B6:8E:F4:DB:D1:99:4C:F3:7F:CD:B1:36:ED:0E:4C:E9:E0:17
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
Present
max-age=15552000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; object-src; base-uri; +2 more
default-src 'self' https: data: 'unsafe-inline';object-src 'none';base-uri https://app.localizejs.com;frame-ancestors https://editor.localizejs.com https://localizejs.com/;report-uri https://app.localizejs.com/api/csp/violation-report
X-Frame-Options
Missing
Not configured
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
- • Strengthen CSP by removing 'unsafe-eval'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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