Cached · just now
89/100 SECURITY SCORE

Certificate Information

Subject
CN=www.kukui.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 22, 2026
Valid Until
April 22, 2026 84 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C1:46:1E:A9:E8:34:12:72:8C:00:9C:3A:D2:1A:7F:6E:B0:1C:D1:DE:71:4E:91:39:4B:EF:C9:88:20:AC:A4:22
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; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Significantly strengthen CSP directives
  • 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
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
Incident Reporting
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 6 CAs - consider limiting to only the CAs you actively use

Subject Alternative Names

2 domains