Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=trust.polymerize.io
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 03, 2026
Valid Until
April 03, 2026
54 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
93:2B:F4:14:B2:08:E1:65:D6:DC:FF:9F:CB:FB:C6:35:E6:A0:FB:C6:E7:8D:03:93:B0:16:BF:A6:D9:E1:8F:F2
Alternative Names
Security Configuration
TLS Protocols
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; style-src; img-src; +7 more
default-src 'self' blob: https://*.scrut.io https://*.gomigo.io https://*.eu.scrut.io https://*.us.scrut.io https://*.au.scrut.io https://*.cke-cs.com https://*.cloudflare.com https://*.cloudfront.net; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://*.cloudflare.com https://*.cke-cs.com https://*.cloudfront.net; img-src * 'self' data: app.gomigo.io blob: https://*.cloudfront.net; base-uri 'self'; form-action 'self'; frame-ancestors 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://*.scrut.io https://*.gomigo.io https://*.eu.scrut.io https://*.us.scrut.io https://*.au.scrut.io https://*.cke-cs.com blob: https://*.cloudflare.com https://*.launchdarkly.com; font-src 'self' data: https://fonts.gstatic.com https://fonts.googleapis.com https://*.cloudflare.com; object-src 'none'; connect-src 'self' blob: https://*.scrut.io https://*.gomigo.io https://*.eu.scrut.io https://*.us.scrut.io https://*.au.scrut.io https://*.cke-cs.com https://*.cloudflare.com https://*.cloudfront.net https://*.launchdarkly.com wss://*.scrut.io;
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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