DNS Gurus
Cached · 1h ago
92/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
AWS Certificate Manager logo AWS Certificate Manager

Certificate Information

Subject
CN=cesje.pl
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
April 07, 2026
Valid Until
October 21, 2026 61 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FF:34:5F:89:A2:D7:26:02:E0:D3:D3:D0:F1:7D:6A:2B:23:7E:29:FA:BD:98:68:99:4A:39:04:8A:33:B6:5A:2D
Alternative Names
2 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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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
amazon.com letsencrypt.org pki.goog
Wildcard CAs
amazon.com letsencrypt.org pki.goog
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement

Subject Alternative Names

2 domains
cesje.pl www.cesje.pl