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just now
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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
C=DE, ST=Bayern, L=München, O=Hochschule für angewandte Wissenschaften München, CN=assets.hm.edu
Issuer
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1
Valid From
January 03, 2026
Valid Until
January 03, 2027
244 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
96:D7:0A:FE:6B:D4:28:FC:89:A4:25:CC:BD:83:EB:65:15:EA:1E:1D:09:19:2B:F8:EE:A0:A6:0A:33:AD:15:29
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=31536000
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
accelerometer=(), autoplay=(), camera=(); +17 more
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
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