Open
Cached
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just now
86/100
SECURITY SCORE
Certificate Information
Subject
CN=5ad71cb1.sni.cloudflaressl.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 05, 2026
Valid Until
April 05, 2026
75 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
2A:B3:B6:1C:A5:96:B6:71:34:89:D2:7D:DA:13:0A:49:CA:91:82:BF:07:9D:EE:65:5E:35:E6:79:2A:01:23:55
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Weak
upgrade-insecure-requests
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Present
geolocation=(), camera=(), microphone=(), payment=(), usb=(), fullscreen=(self), autoplay=(self), clipboard-write=(self)
Recommendations
- • Significantly strengthen CSP directives
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
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