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SECURITY SCORE
Certificate Information
Subject
CN=krnl.ai
Issuer
CN=krnl.ai
Valid From
April 11, 2023
Valid Until
April 10, 2024
Expired
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
79:96:3D:8A:78:2F:FD:ED:F9:D6:FB:0D:BD:09:7D:63:C2:97:62:EC:A7:1D:23:32:F2:54:06:C0:A4:51:BA:AE
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
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