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SECURITY SCORE
Certificate Information
Subject
C=DE, ST=Rheinland-Pfalz, L=Montabaur, O=1&1 Mail & Media GmbH, CN=*.web.de
Issuer
C=DE, O=Deutsche Telekom Security GmbH, CN=Telekom Security ServerID OV Class 2 CA
Valid From
November 20, 2024
Valid Until
November 24, 2025
18 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
14:3C:06:D6:D2:81:AE:E4:B1:A1:5A:37:64:96:A4:91:A4:C5:60:0D:5E:29:BD:5B:A6:8F:E7:0C:59:C5:8C:CC
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; includeSubdomains; preload
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
microphone 'none'; camera 'none'; geolocation 'none'; usb 'none'
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Not Authorized
(Potential misconfiguration)
Authorized CAs
Wildcard CAs
CAA Issues
- • CRITICAL: Current certificate issuer 'C=DE, O=Deutsche Telekom Security GmbH, CN=Telekom Security ServerID OV Class 2 CA' is NOT authorized by CAA records. Authorized CAs: telesec.de, Digicert.com, sectigo.com
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts