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SECURITY SCORE
Certificate Information
Subject
C=GR, L=Athens, O=Greek Universities Network, UNKNOWN={:asn1_OPENTYPE, <<12, 15, 86, 65, 84, 71, 82, 45, 48, 57, 57, 48, 50, 56, 50, 50, 48>>}, UNKNOWN=13392/28-9-2000, CN=www.harica.gr, UNKNOWN={:asn1_OPENTYPE, <<12, 20, 80, 114, 105, 118, 97, 116, 101, 32, 79, 114, 103, 97, 110, 105, 122, 97, 116, 105, 111, 110>>}, UNKNOWN={:asn1_OPENTYPE, <<12, 6, 65, 116, 104, 101, 110, 115>>}, UNKNOWN={:asn1_OPENTYPE, <<12, 6, 65, 116, 116, 105, 99, 97>>}, UNKNOWN={:asn1_OPENTYPE, <<19, 2, 71, 82>>}
Issuer
C=GR, O=Greek Universities Network (GUnet), UNKNOWN={:asn1_OPENTYPE, <<12, 15, 86, 65, 84, 71, 82, 45, 48, 57, 57, 48, 50, 56, 50, 50, 48>>}, OU=Hellenic Academic and Research Institutions CA, CN=HARICA Qualified Web Authentication Certificates RSA
Valid From
October 30, 2025
Valid Until
December 01, 2026
390 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
8E:CE:05:69:9B:21:96:B4:6C:BB:30:78:FB:2F:22:13:C9:C0:4E:AF:71:7F:D1:EB:D2:F8:53:FA:40:65:60:09
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
Weak
max-age=0; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
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
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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