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SECURITY SCORE
Certificate Information
Subject
CN=*.sdvcrx.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
November 18, 2025
Valid Until
February 16, 2026
76 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
A2:0B:2D:5D:D3:2E:20:85:04:40:E5:C5:2C:6A:46:B3:0A:B4:65:F8:8D:0E:C7:E3:C5:B1:7B:80:6E:23:8B:46
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
Missing
Not configured
Content-Security-Policy
Good
default-src; base-uri; manifest-src; +10 more
default-src 'none';base-uri 'none';manifest-src 'self';script-src 'nonce-vH5aM7YNsjsQMdRjFvSMkBvXej8GOVEIVnOujGLt6ls=';script-src-elem 'strict-dynamic' 'nonce-vH5aM7YNsjsQMdRjFvSMkBvXej8GOVEIVnOujGLt6ls=';style-src 'self' 'unsafe-inline';img-src 'self' data: blob: https://*.tile.openstreetmap.org;font-src 'self' data:;connect-src 'self';media-src 'self';frame-src 'self';frame-ancestors 'self';form-action 'self'
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Strengthen CSP by removing 'unsafe-eval'
- • 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