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77/100 SECURITY SCORE

Certificate Information

Subject
CN=bun.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
November 02, 2025
Valid Until
February 01, 2026 89 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
D2:2A:5B:F5:18:18:20:6F:19:A8:BF:1A:E0:CD:EE:23:CE:AF:B0:56:7E:29:89:B3:B1:B7:58:6E:37:2E:A4:A2
Alternative Names

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • TLS 1.1 is deprecated and should be disabled
  • TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Add Content-Security-Policy header to prevent XSS attacks
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Add X-Content-Type-Options: nosniff
  • 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
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