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SECURITY SCORE
Certificate Information
Subject
CN=cyso.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
October 15, 2025
Valid Until
January 13, 2026
56 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
ED:40:88:69:03:CA:6B:0E:4B:90:9A:6D:89:6F:1E:B6:C5:05:FE:8A:CA:E7:7A:85:8E:3A:6F:1B:24:55:14:F3
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=15768000
Content-Security-Policy
Basic
default-src; frame-src; script-src; +2 more
default-src https:; frame-src https: blob:; script-src https: blob: data: 'unsafe-inline' 'unsafe-eval'; style-src https: 'unsafe-inline'; img-src https: data:;
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
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'issuewild' records to control wildcard certificate issuance