Open
Cached
·
just now
79/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=narsyou.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 14, 2026
Valid Until
April 14, 2026
52 days
Public Key
ECDSA
384 bit
(P-384)
Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
29:99:80:3A:C5:65:AB:9E:DE:8D:F5:D4:5A:83:3F:28:2E:6E:27:56:DB:B7:73:27:B8:15:A5:69:9F:8A:CE:C7
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
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 Strict-Transport-Security header with max-age of at least 1 year
- • 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
Wildcard CAs
Incident Reporting
mailto:[email protected]
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