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SECURITY SCORE
Certificate Information
Subject
CN=names3.serverhs.org
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 12, 2025
Valid Until
February 10, 2026
88 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
39:8B:C2:D0:FB:5C:D1:1A:6E:6C:14:8C:F3:57:AD:8E:9C:EC:1E:BA:C0:7F:50:4C:02:16:C0:52:63:F3:51:B7
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