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SECURITY SCORE
Certificate Information
Subject
CN=*.soselab.tw
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
November 03, 2025
Valid Until
February 01, 2026
81 days
Public Key
ECDSA
384 bit
(P-384)
Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
95:51:87:77:C7:05:01:9E:CB:C3:6A:CA:92:24:91:8E:60:31:04:DA:81:6C:94:52:93:DF:17:93:FC:75:5E:0D
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
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