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SECURITY SCORE
Certificate Information
Subject
C=DE, ST=Baden-Wuerttemberg, O=Albert-Ludwigs-Universitaet Freiburg, CN=uni-freiburg.de
Issuer
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1
Valid From
October 20, 2025
Valid Until
October 20, 2026
177 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
02:DB:59:13:A2:72:F2:97:55:6E:99:B9:A6:0D:9F:B1:94:00:89:93:05:03:C2:31:2D:CE:FC:C6:49:82:9C:31
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
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
Subject Alternative Names
40 domains
uni-freiburg.de
www.uni-freiburg.de
wp-exp-fe-01.vm.uni-freiburg.de
wp-exp-fe-02.vm.uni-freiburg.de
wp-exp.vm.uni-freiburg.de
wp-prod-fe-01.vm.uni-freiburg.de
wp-prod-fe-02.vm.uni-freiburg.de
wp-stage-fe-01.vm.uni-freiburg.de
wp-stage-fe-02.vm.uni-freiburg.de
wp-stage.vm.uni-freiburg.de
wp-test-fe-01.vm.uni-freiburg.de
wp-test-fe-02.vm.uni-freiburg.de
wp-test.vm.uni-freiburg.de
wp-exp-web-01.cms.intra.uni-freiburg.de
wp-exp-web-02.cms.intra.uni-freiburg.de
wp-prod-web-01.cms.intra.uni-freiburg.de
wp-prod-web-02.cms.intra.uni-freiburg.de
wp-stage-web-01.cms.intra.uni-freiburg.de
wp-stage-web-02.cms.intra.uni-freiburg.de
wp-test-web-01.cms.intra.uni-freiburg.de
wp-test-web-02.cms.intra.uni-freiburg.de
www.wp-exp-fe-01.vm.uni-freiburg.de
www.wp-exp-fe-02.vm.uni-freiburg.de
www.wp-exp.vm.uni-freiburg.de
www.wp-prod-fe-01.vm.uni-freiburg.de
www.wp-prod-fe-02.vm.uni-freiburg.de
www.wp-stage-fe-01.vm.uni-freiburg.de
www.wp-stage-fe-02.vm.uni-freiburg.de
www.wp-stage.vm.uni-freiburg.de
www.wp-test-fe-01.vm.uni-freiburg.de
www.wp-test-fe-02.vm.uni-freiburg.de
www.wp-test.vm.uni-freiburg.de
www.wp-exp-web-01.cms.intra.uni-freiburg.de
www.wp-exp-web-02.cms.intra.uni-freiburg.de
www.wp-prod-web-01.cms.intra.uni-freiburg.de
www.wp-prod-web-02.cms.intra.uni-freiburg.de
www.wp-stage-web-01.cms.intra.uni-freiburg.de
www.wp-stage-web-02.cms.intra.uni-freiburg.de
www.wp-test-web-01.cms.intra.uni-freiburg.de
www.wp-test-web-02.cms.intra.uni-freiburg.de