Open
Cached
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just now
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SECURITY SCORE
Certificate Information
Subject
C=cn, ST=beijing, L=beijing, O=æºæåä½, OU=æºæ, CN=*, [email protected]
Issuer
C=cn, ST=beijing, L=beijing, O=æºæåä½, OU=æºæ, CN=*, [email protected]
Valid From
June 08, 2021
Valid Until
June 06, 2031
2037 days
Public Key
RSA
1024 bit
Weak
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0D:40:44:88:25:ED:40:58:BB:B1:FD:54:97:23:3A:09:DE:05:21:B7:91:FD:03:9A:7F:D6:03:3F:E2:76:B3:23
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