Open
Cached
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just now
85/100
SECURITY SCORE
Certificate Information
Subject
CN=vpn.tnc.org
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Valid From
December 02, 2025
Valid Until
December 31, 2026
333 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
92:BE:D4:4A:47:22:5E:A5:27:E1:00:FF:B3:8F:32:D9:C1:B5:CA:84:31:C4:48:AA:D3:10:4D:48:60:68:2B:E0
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000;
Content-Security-Policy
Good
default-src; script-src; img-src; +2 more
default-src 'self'; script-src 'self' 'unsafe-inline'; img-src * data:; style-src 'self' 'unsafe-inline'; frame-ancestors 'none';
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • 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
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports