Open Cached · just now
85/100 SECURITY SCORE

Certificate Information

Subject
CN=feb06b12.sni.cloudflaressl.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
October 24, 2025
Valid Until
January 22, 2026 75 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
27:92:09:CF:BA:2B:49:62:01:C6:28:DB:53:B6:4A:1B:20:C6:71:37:F4:D3:2B:9B:34:7D:43:8E:C3:E8:9A:CA
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
upgrade-insecure-requests
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Significantly strengthen CSP directives
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Add X-Content-Type-Options: nosniff
  • 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
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
runa.io

Other domains in certificate

feb06b12.sni.cloudflaressl.com