Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
CN=content.mettl.com
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Valid From
October 29, 2025
Valid Until
November 27, 2026
298 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D6:A2:37:7C:C6:0A:00:67:7F:83:B7:BA:1C:C4:79:CE:70:8D:7D:7C:D1:0E:B3:79:C6:78:00:1D:1F:0A:15:16
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
Basic
default-src; connect-src; script-src; +6 more
default-src 'self';connect-src 'self' http://localhost:8080/ http://localhost:8090/ https://mettl.xyz/ https://mettl.pro/ https://mettl.com/ https://wiris.mettl.com/;script-src 'self' https://www.googletagmanager.com 'unsafe-inline' 'unsafe-eval' https://cdn.pendo.io/ https://cdnjs.cloudflare.com/ https://wiris.mettl.com/;style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://wiris.mettl.com/;font-src 'self' https://fonts.gstatic.com https://wiris.mettl.com/;img-src 'self' https://media.mettl.com https://media.mettl.pro https://media.mettl.xyz https://media.mercermettl.eu blob: data: https://mettl.pro https://mettl.com https://mettl.xyz https://wiris.mettl.com/;frame-src 'self' https://www.youtube.com;frame-ancestors 'self';upgrade-insecure-requests
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
fullscreen=()
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • 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