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SECURITY SCORE
Certificate Information
Subject
CN=intergenia.de
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
November 14, 2025
Valid Until
February 12, 2026
27 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
CF:3B:00:2E:31:F3:D8:6F:D7:E2:0B:08:6E:72:F7:6A:33:C7:43:D6:5C:86:0C:B0:FB:99:94:71:8F:6B:16:24
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
Excellent
max-age=31536000; includeSubDomains; preload;
Content-Security-Policy
Basic
default-src; script-src; connect-src; +5 more
default-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' *; connect-src 'self' *; img-src 'self' data: *; style-src 'self' 'unsafe-inline' *;base-uri 'self' *;form-action 'self' *; font-src * data:;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self)
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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