Open
Cached
·
just now
88/100
SECURITY SCORE
Certificate Information
Subject
CN=*.tendacn.com
Issuer
C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1
Valid From
July 17, 2025
Valid Until
July 16, 2026
158 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C7:87:0D:14:13:83:C1:75:8B:A1:D6:34:7E:DC:81:E9:BC:FB:D2:A6:C9:0A:71:CB:AC:C9:30:C8:94:18:02:87
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Basic
default-src; script-src; style-src; +8 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://hm.baidu.com https://www.googletagmanager.com https://static.tenda.com.cn https://www.google-analytics.com; style-src 'self' 'unsafe-inline' https:; img-src 'self' data: https:; media-src 'self' https://static.tenda.com.cn; font-src 'self' data:; connect-src 'self' https://hm.baidu.com http://47.251.81.200:8080 https://ipapi.co/json/ https://extreme-ip-lookup.com/ https://www.googletagmanager.com https://static.tenda.com.cn https://www.google-analytics.com; worker-src 'self' blob:; frame-src 'self' https://hm.baidu.com https://static.tenda.com.cn https://www.googletagmanager.com https://www.google-analytics.com; frame-ancestors 'self'; report-uri /csp-report-endpoint;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • 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