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SECURITY SCORE
Certificate Information
Subject
C=DE, ST=Rheinland-Pfalz, O=IONOS SE, CN=ionos.cloud
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36
Valid From
June 03, 2025
Valid Until
June 03, 2026
209 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
26:55:96:06:03:70:C9:3C:9D:C8:BE:05:79:60:5D:5C:60:AF:32:6D:27:45:02:5E:E9:76:D7:AB:C0:25:19:8F
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
Present
max-age=31536000
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • 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