Open
Cached
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just now
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SECURITY SCORE
Certificate Information
Subject
CN=fidelibus.ca
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 18, 2025
Valid Until
March 18, 2026
56 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
ED:12:68:46:91:4B:2A:43:93:C1:E0:09:7C:F7:94:BA:34:64:21:AB:73:95:7C:CE:7D:FE:22:2E:62:92:B3:11
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Good
default-src; img-src; style-src; +2 more
default-src 'self';img-src 'self' data:;style-src 'self' 'unsafe-inline' cdnjs.cloudflare.com;script-src 'self' 'unsafe-inline' cdnjs.cloudflare.com;font-src cdnjs.cloudflare.com
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Strengthen CSP by removing 'unsafe-eval'
- • 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