Open
Cached
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just now
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SECURITY SCORE
Certificate Information
Subject
CN=clydes.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 22, 2025
Valid Until
March 22, 2026
42 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AB:E1:8F:FF:B0:BD:D2:C7:9C:BD:9B:D2:95:B8:F8:69:6A:51:DF:95:E2:64:C6:D6:B7:75:5C:DF:99:9B:2A:F9
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
Present
max-age=2592000; includeSubDomains
Content-Security-Policy
Basic
default-src; script-src; script-src-elem; +8 more
default-src * blob: data: 'unsafe-inline' 'unsafe-eval'; script-src 'self' * https://cdn.us.heap-api.com https://heapanalytics.com https://viewer.threshold360.com 'unsafe-inline' 'unsafe-eval'; script-src-elem * https://viewer.threshold360.com 'unsafe-inline' 'unsafe-eval'; img-src 'self' * https://heapanalytics.com https://viewer.threshold360.com blob: data:; style-src 'self' * https://heapanalytics.com https://viewer.threshold360.com 'unsafe-inline' 'unsafe-eval' blob:; connect-src 'self' * https://c.us.heap-api.com https://heapanalytics.com https://viewer.threshold360.com wss://viewer.threshold360.com blob:; font-src 'self' * https://heapanalytics.com https://viewer.threshold360.com data:; frame-src 'self' * https://viewer.threshold360.com; worker-src * blob:; media-src * blob: data:; frame-ancestors 'self';
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • 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