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SECURITY SCORE
Certificate Information
Subject
CN=www.logo.dev
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 11, 2025
Valid Until
March 11, 2026
49 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
86:DF:26:2C:13:CB:60:32:1F:63:3E:9A:20:A4:E6:99:40:21:A2:82:34:6C:A8:EF:C0:C3:3D:57:CD:14:4A:0C
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
Basic
default-src; script-src; style-src; +9 more
default-src 'self'; script-src 'self' 'nonce-MzFmMjBmYTMtMGRkMS00MzY3LWE3YjAtN2NmODhhOGQyZGU0' 'strict-dynamic' 'wasm-unsafe-eval' https://cdn.vector.co https://widget.intercom.io https://b2bjsstore.s3.us-west-2.amazonaws.com https://cdn.usefathom.com https://*.clerk.accounts.dev https://challenges.cloudflare.com ; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' blob: data: https://img.logo.dev https://*.clerk.com https://*.clerk.accounts.dev https://img.clerk.com https://*.googleusercontent.com https://*.intercomcdn.com https://*.intercom-attachments-1.com https://cdn.usefathom.com; font-src 'self' data: https://fonts.gstatic.com https://fonts.intercomcdn.com; connect-src 'self' https://clerk.logo.dev https://*.clerk.com https://*.clerk.accounts.dev https://clerk-telemetry.com https://api.logo.dev https://formspree.io https://api.intercom.io https://api-iam.intercom.io wss://*.intercom.io https://*.sentry.io https://us.i.posthog.com https://us-assets.i.posthog.com https://cdn.usefathom.com; frame-src 'self' https://challenges.cloudflare.com https://*.clerk.accounts.dev https://js.stripe.com; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; upgrade-insecure-requests;
X-Frame-Options
Missing
Not configured
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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