Open
Cached
·
just now
75/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=cluster1.canvas-user-content.com
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Valid From
May 03, 2026
Valid Until
November 16, 2026
192 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E8:05:0A:64:E3:94:E6:A4:BA:89:29:E2:D3:0E:02:27:3A:03:4D:2A:06:64:D3:D6:75:AA:0D:22:66:35:56:C9
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
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • 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
Subject Alternative Names
6 domains
instructure.com
*.instructure.com
cluster1.canvas-user-content.com
*.cluster1.canvas-user-content.com
canvaslms.com
*.canvaslms.com
Other domains in certificate