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SECURITY SCORE
Certificate Information
Subject
CN=elembio.io
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M03
Valid From
May 29, 2025
Valid Until
June 27, 2026
226 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A8:1D:9F:51:9A:6E:13:F6:89:C5:F5:A6:EE:71:57:BB:25:A8:70:58:C3:ED:16:08:87:B6:FA:7F:BB:38:7D:94
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; worker-src; +5 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=()
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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