Open
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just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=salestools.chrexpert.fr
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 03, 2025
Valid Until
March 03, 2026
41 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F4:07:3E:AD:79:FA:7A:72:9A:26:C8:64:F4:E0:FF:1C:65:A0:F9:38:25:6D:0D:A3:81:A6:75:92:27:29:33:89
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
Excellent
max-age=31536000 ; includeSubDomains ; preload
Content-Security-Policy
Weak
upgrade-insecure-requests; frame-ancestors
X-Frame-Options
Good
SameOrigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
autoplay=*; fullscreen=*
Recommendations
- • Significantly strengthen CSP directives
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
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