Open
Cached
·
just now
74/100
SECURITY SCORE
Certificate Information
Subject
CN=*.utbm.fr
Issuer
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1
Valid From
July 22, 2026
Valid Until
February 06, 2027
196 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
71:11:A1:14:B2:B9:3A:F0:0A:FA:DF:DE:A0:8B:39:04:00:14:D6:5C:BF:E1:84:F8:A7:22:B3:06:7C:5C:58:F1
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
Not Authorized
(Potential misconfiguration)
Authorized CAs
Wildcard CAs
CAA Issues
- • CRITICAL: Current certificate issuer 'C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1' is NOT authorized by CAA records. Authorized CAs: harica.gr
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts