DNS Gurus
Cached · just now
84/100 SECURITY SCORE

Certificate Information

Subject
CN=f1-c1.le-crt-name.cloud-optimized.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 30, 2025
Valid Until
March 30, 2026 74 days
Public Key
ECDSA 384 bit (P-384) Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
6F:E7:38:2B:A6:AA:B7:00:3D:7C:7A:A1:42:2D:40:8E:50:93:AA:51:FB:D9:DF:8E:74:5C:30:49:3A:6E:78:36
Alternative Names
29 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
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
  • • 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
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
comodoca.com letsencrypt.org
Wildcard CAs
letsencrypt.org
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement