Open
Cached
·
just now
93/100
SECURITY SCORE
Certificate Information
Subject
CN=www.longterm.guru
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 25, 2025
Valid Until
March 25, 2026
85 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
05:B0:E8:08:34:5E:90:89:7B:BA:9B:A5:1E:F4:3C:45:78:D1:DE:48:2D:2D:B3:A5:E8:D7:98:83:87:73:2B:46
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; style-src; +6 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://apis.google.com https://*.firebaseapp.com https://*.googleapis.com https://*.googletagmanager.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https: blob: https://upload.wikimedia.org; connect-src 'self' https://*.googleapis.com https://*.cloudfunctions.net https://*.firebaseio.com https://*.firebase.com wss://*.firebaseio.com https://api.notion.com https://api.stripe.com https://api.anthropic.com https://*.googletagmanager.com https://upload.wikimedia.org; frame-src 'self' https://*.stripe.com https://*.firebaseapp.com; object-src 'none'; base-uri 'self'
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=()
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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
Subject Alternative Names
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Other domains in certificate