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SECURITY SCORE
Certificate Information
Subject
CN=cloud.kitc.ch
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 27, 2025
Valid Until
March 27, 2026
50 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
67:74:F1:D2:E4:1F:8C:9F:7A:C6:EA:6D:6C:4F:A2:B0:96:C0:53:4A:0F:6A:64:4B:4F:24:B7:4D:2C:F8:83:0E
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Good
default-src; base-uri; manifest-src; +10 more
default-src 'none';base-uri 'none';manifest-src 'self';script-src 'nonce-7PhO7kQjVmdFrmiAm3ig/66Oik008Bf8WTnLYBtQPmI=';script-src-elem 'strict-dynamic' 'nonce-7PhO7kQjVmdFrmiAm3ig/66Oik008Bf8WTnLYBtQPmI=';style-src 'self' 'unsafe-inline';img-src 'self' data: blob: https://*.tile.openstreetmap.org;font-src 'self' data:;connect-src 'self' wss://nx52970.your-storageshare.de;media-src 'self';frame-src 'self';frame-ancestors 'self';form-action 'self'
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Strengthen CSP by removing 'unsafe-eval'
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance