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SECURITY SCORE
Certificate Information
Subject
CN=www.foldscope.com
Issuer
C=US, O=SSL Corporation, CN=Cloudflare TLS Issuing ECC CA 3
Valid From
December 14, 2025
Valid Until
March 14, 2026
69 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
09:28:86:A3:9C:3F:75:10:A6:D8:49:A8:8A:BF:65:EA:E2:04:40:EA:C0:85:33:B7:9E:8C:EC:EB:85:C8:C4:67
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=7889238
Content-Security-Policy
Weak
block-all-mixed-content; frame-ancestors; upgrade-insecure-requests
X-Frame-Options
Excellent
DENY
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
- • Significantly strengthen CSP directives
- • 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
Not Authorized
(Potential misconfiguration)
Authorized CAs
CAA Issues
- • CRITICAL: Current certificate issuer 'C=US, O=SSL Corporation, CN=Cloudflare TLS Issuing ECC CA 3' is NOT authorized by CAA records. Authorized CAs: digicert.com, globalsign.com, letsencrypt.org, pki.goog, ssl.com
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance