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SECURITY SCORE
Certificate Information
Subject
CN=test.dctdigital.com
Issuer
C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
Valid From
November 23, 2017
Valid Until
February 21, 2018
Expired
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3D:4F:60:E5:E4:92:DD:FB:F5:39:26:4D:5F:23:5A:B7:E9:D9:2E:5D:2A:5D:36:EF:51:D2:24:16:D7:F0:96:B6
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