Open
Cached
·
just now
88/100
SECURITY SCORE
Certificate Information
Subject
CN=*.cycle.io
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 25, 2025
Valid Until
March 25, 2026
68 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
09:48:DA:BB:5F:51:81:41:CE:14:F7:E4:72:A0:9F:6E:6F:82:12:65:C9:F8:63:87:CA:79:09:3E:4F:73:B4:10
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=1209600; includeSubDomains; preload
Content-Security-Policy
Good
frame-ancestors; default-src; img-src; +6 more
frame-ancestors 'none'; default-src 'self' https://*.cycle.io; img-src * data: blob: https://recaptcha.net https://www.gstatic.com; style-src 'self' https://*.cycle.io https://fonts.gstatic.com https://fonts.googleapis.com 'unsafe-inline'; font-src 'self' https://*.cycle.io https://fonts.gstatic.com https://fonts.googleapis.com; script-src 'self' https://*.cycle.io https://recaptcha.net https://www.gstatic.com; connect-src https://*.cycle.io wss://*.cycle.io https://*.sentry.io wss://*.cycle.io:8920 https://recaptcha.net https://www.gstatic.com; frame-src 'self' https://*.cycle.io https://www.youtube.com https://recaptcha.net https://www.gstatic.com; worker-src 'self' blob:
X-Frame-Options
Excellent
DENY
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
- • Strengthen CSP by removing 'unsafe-eval'
- • 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
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance