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SECURITY SCORE
Certificate Information
Subject
CN=learning.trafera.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 06, 2026
Valid Until
April 06, 2026
75 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
3A:CE:B6:A0:23:9E:70:98:A3:C3:A4:58:47:DC:14:5E:0E:4C:2B:D4:20:73:9F:B1:EB:30:37:99:C4:D2:F1:5F
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
Good
max-age=63072000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • 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
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
Wildcard CAs
pki.goog
; cansignhttpexchanges=yes
letsencrypt.org
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts