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92/100 SECURITY SCORE

Certificate Information

Subject
CN=back9ins.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
October 11, 2025
Valid Until
January 09, 2026 34 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
65:B4:CE:D2:AD:0E:28:17:5E:10:BD:86:9C:0E:4A:3F:E9:59:60:56:B2:BA:A8:66:2F:05:7B:5E:A6:7D:9F:3E
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=15552000; includeSubDomains;
Content-Security-Policy
Good
base-uri; font-src; form-action; +11 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), display-capture=(), fullscreen=*, geolocation=*, microphone=(), autoplay=*, document-domain=*, screen-wake-lock=*
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Strengthen CSP by removing 'unsafe-eval'

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

Subject Alternative Names

2 domains