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SECURITY SCORE
Certificate Information
Subject
CN=blog.geoserver.org
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
October 06, 2025
Valid Until
January 04, 2026
61 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
7F:8A:FC:31:B2:95:CB:FC:EF:D1:5A:88:F3:F6:0F:DE:83:FC:63:84:7C:EF:0B:8B:A4:1B:A0:33:92:60:6B:7B
Alternative Names
Security Configuration
TLS Protocols
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
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