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SECURITY SCORE
Certificate Information
Subject
CN=mozilla.org
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 26, 2025
Valid Until
January 24, 2026
42 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
41:B2:49:6E:D6:87:D1:E6:9A:CD:7E:43:2A:2A:C2:EC:52:C2:4D:61:D4:6F:7D:18:11:CD:9D:59:B8:DE:50:C7
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Basic
media-src; upgrade-insecure-requests; frame-ancestors; +10 more
media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.mozilla.org; upgrade-insecure-requests; frame-ancestors 'none'; connect-src 'self' https://abdri3ttkb.execute-api.us-east-2.amazonaws.com https://accounts.firefox.com/ https://basket.mozilla.org o1069899.ingest.sentry.io o1069899.sentry.io region1.google-analytics.com telemetry.transcend.io telemetry.us.transcend.io www.google-analytics.com www.googletagmanager.com www.mozilla.org/submit/bedrock/; default-src 'self' *.mozilla.org; font-src 'self' www.mozilla.org; base-uri 'none'; object-src 'none'; script-src 'self' 'unsafe-eval' 'unsafe-inline' cdn.transcend.io js.stripe.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.google-analytics.com www.googletagmanager.com www.mozilla.org www.youtube.com; img-src 'self' blog.mozilla.org data: images.ctfassets.net www.google-analytics.com www.googletagmanager.com www.mozilla.org; style-src 'self' 'unsafe-inline' www.mozilla.org; frame-src 'self' accounts.firefox.com js.stripe.com www.google-analytics.com www.googletagmanager.com www.youtube.com; form-action 'self' https://abdri3ttkb.execute-api.us-east-2.amazonaws.com https://accounts.firefox.com/ https://basket.mozilla.org
X-Frame-Options
Excellent
DENY
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)
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 10 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'issuewild' records to control wildcard certificate issuance