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SECURITY SCORE
Certificate Information
Subject
CN=server9.universonet.com.br
Issuer
C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Thawte TLS RSA CA G1
Valid From
January 28, 2025
Valid Until
February 12, 2026
68 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
79:E0:16:29:A7:64:56:C2:EB:73:6E:48:71:D4:C5:74:03:B0:AC:99:BD:7B:63:A8:4E:26:63:F1:E0:8E:61:DD
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Weak
max-age=0
Content-Security-Policy
Good
default-src; frame-src; script-src; +6 more
default-src 'self';frame-src 'self' *.youtube.com youtu.be *.smartertools.com docs.google.com;script-src * 'unsafe-inline';font-src * 'unsafe-inline' data:;img-src * 'unsafe-inline' data: blob:;style-src * 'unsafe-inline';media-src *;frame-ancestors 'self';connect-src *;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • 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