Open
Cached
·
just now
90/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
C=DE, ST=Nordrhein-Westfalen, O=Informationstechnikzentrum Bund (ITZBund), CN=www.itzbund.de
Issuer
C=DE, O=D-Trust GmbH, CN=D-TRUST BR CA 2-23-1 2023
Valid From
April 04, 2026
Valid Until
October 19, 2026
77 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA512-RSA
SHA-256 Fingerprint
B3:3A:B7:78:CA:80:E1:1F:64:F4:40:5C:26:8C:B4:38:3A:61:46:86:29:9D:CD:9A:EE:7F:E3:89:9B:D1:D1:1E
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-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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