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SECURITY SCORE
Certificate Information
Subject
CN=metablock.exchange
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
November 10, 2025
Valid Until
February 08, 2026
79 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
34:29:7D:4A:D9:FD:24:10:2E:38:BE:64:64:5C:1A:53:DB:E5:7A:65:DF:80:E7:F0:19:20:E4:92:EC:85:01:59
Alternative Names
Security Configuration
TLS Protocols
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Basic
default-src; script-src; style-src; +10 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; style-src 'self' 'unsafe-inline' https:; img-src 'self' data: https: blob:; font-src 'self' data: https:; connect-src 'self' https: wss:; media-src 'self' https: blob:; object-src 'none'; frame-src 'self' https:; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; upgrade-insecure-requests;
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