Cached · just now
81/100 SECURITY SCORE

Certificate Information

Subject
CN=hiro.so
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 23, 2026
Valid Until
May 24, 2026 16 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
08:72:35:C8:D7:35:4F:7A:6A:E0:18:09:4B:6B:A0:BC:B0:4B:CC:B7:AD:90:46:88:CF:69:06:1F:56:5C:CA:34
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
frame-ancestors Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
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
  • Significantly strengthen CSP directives
  • 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
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
Wildcard CAs
letsencrypt.org pki.goog ; cansignhttpexchanges=yes ssl.com comodoca.com digicert.com ; cansignhttpexchanges=yes
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

1 domain