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SECURITY SCORE
Certificate Information
Subject
CN=pay.jp
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M03
Valid From
April 15, 2025
Valid Until
May 14, 2026
171 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C0:00:64:5E:06:3A:BE:E4:8A:CE:D3:FD:64:5A:8A:AE:0D:7A:36:F5:0F:40:13:3F:1C:86:D4:48:D9:FC:F5: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