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SECURITY SCORE
Certificate Information
Subject
CN=colorcoding.org
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
September 02, 2025
Valid Until
December 01, 2025
12 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
5F:62:89:BA:32:43:8F:A2:17:BD:0F:09:C3:F6:33:B3:1A:51:11:7E:68:AC:E1:40:67:AE:9A:43:A4:29:8B:F2
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