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SECURITY SCORE
Certificate Information
Subject
CN=shequ.qzz.io
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
November 18, 2025
Valid Until
February 16, 2026
80 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
63:83:39:9F:E3:2C:B0:82:79:C2:21:E0:55:41:50:6C:8D:CB:92:82:77:4F:50:91:19:BA:8F:CE:0B:28:E9:B2
Alternative Names
Security Configuration
TLS Protocols
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
default-src; connect-src; font-src; +5 more
default-src 'self' ; connect-src *; font-src 'self' data:; frame-src *; img-src * data: blob:; media-src * data:; script-src 'self' 'unsafe-eval' 'sha256-jqxtvDkBbRAl9Hpqv68WdNOieepg8tJSYu1xIy7zT34=' 'sha256-aui5xYk3Lu1dQcnsPlNZI+qDTdfzdUv3fzsw80VLJgw=' ; style-src 'self' 'unsafe-inline'
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
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