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SECURITY SCORE
Certificate Information
Subject
CN=yardzorgsites.nl
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
September 28, 2025
Valid Until
December 27, 2025
19 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
25:89:64:A7:6A:BE:83:99:62:F4:7B:77:06:34:1C:C7:DA:51:BA:B3:3E:72:A9:2E:39:28:37:12:3E:9A:76:5C
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=31536000
Content-Security-Policy
Weak
upgrade-insecure-requests; report-uri
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(self), autoplay=(self), camera=(self), cross-origin-isolated=(self), document-domain=*, encrypted-media=(self), fullscreen=(self), geolocation=(self), gyroscope=(self), magnetometer=(self), microphone=(self), midi=(self), payment=(self), picture-in-picture=*, publickey-credentials-get=(self), screen-wake-lock=(self), sync-xhr=*, usb=(self), xr-spatial-tracking=(self)
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
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