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SECURITY SCORE
Certificate Information
Subject
C=US, ST=Nebraska, O=University of Nebraska-Lincoln, CN=unl.edu
Issuer
C=US, O=Internet2, CN=InCommon RSA Server CA 2
Valid From
April 01, 2026
Valid Until
September 30, 2026
154 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A8:3D:E1:46:45:78:49:73:A2:CD:24:92:CF:3F:58:A4:08:D1:6A:9A:E8:97:FB:3D:4A:BA:64:65:7A:46:8E:3C
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
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 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
Not Authorized
(Potential misconfiguration)
Authorized CAs
Wildcard CAs
Incident Reporting
mailto:[email protected]
CAA Issues
- • CRITICAL: Current certificate issuer 'C=US, O=Internet2, CN=InCommon RSA Server CA 2' is NOT authorized by CAA records. Authorized CAs: pki.goog, sectigo.com, amazon.com, digicert.com, letsencrypt.org
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use