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SECURITY SCORE
Certificate Information
Subject
CN=www.kpn.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36
Valid From
August 18, 2025
Valid Until
September 18, 2026
309 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
29:18:89:D4:83:D0:69:53:72:93:00:1F:D0:5D:B8:9B:5C:AC:69:17:4F:DB:97:76:65:5E:86:97:01:B1:3D:D8
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Wildcard CAs
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 8 CAs - consider limiting to only the CAs you actively use