Open
Cached
·
just now
86/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=zettle.com
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M02
Valid From
September 04, 2025
Valid Until
October 02, 2026
151 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D4:C2:0F:3D:26:BC:6A:67:02:03:E6:C3:9A:EB:52:BC:D5:83:B5:53:19:43:BA:F7:A7:84:37:F3:0D:02:61:E4
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
Excellent
max-age=63072000; includeSubDomains; preload
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
ch-ua-platform-version=(self "https://c.paypal.com"), ch-ua-arch=(self "https://c.paypal.com"), ch-ua-wow64=(self "https://c.paypal.com"); +4 more
Recommendations
- • Strengthen CSP by removing 'unsafe-eval'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
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