Open
Cached
·
just now
81/100
SECURITY SCORE
Certificate Information
Subject
CN=docx4java.org
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
October 09, 2025
Valid Until
January 07, 2026
61 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DE:64:1D:62:C5:88:6F:50:31:25:D4:DB:6A:08:10:BE:6D:26:C3:1E:56:F4:82:21:5B:F2:6A:9C:FA:05:CF:72
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
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
- • TLS 1.0 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