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SECURITY SCORE
Certificate Information
Subject
CN=whoop.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 18, 2025
Valid Until
February 16, 2026
31 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
7C:9B:89:83:66:41:4C:4A:FC:6E:BB:E1:35:52:7C:04:11:C9:F0:86:3E:F5:8C:7A:EF:D1:CA:A0:5F:8F:96:89
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; connect-src; +7 more
default-src 'self'; script-src * 'unsafe-inline' 'unsafe-eval' https://*.dynamicyield.com https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.4.6/* https://www.googletagmanager.com https://www.google-analytics.com; connect-src * data: https://*.dy-api.com https://*.dynamicyield.com https://www.googletagmanager.com https://www.google-analytics.com; style-src * 'unsafe-inline' https://*.dynamicyield.com https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.4.6/*; img-src * data: https://*.dynamicyield.com https://images.ctfassets.net; font-src * https://fonts.googleapis.com https://fonts.gstatic.com; frame-src *; frame-ancestors * https://app.contentful.com; media-src *; worker-src 'self' blob:;
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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