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SECURITY SCORE
Certificate Information
Subject
CN=flexline.app
Issuer
C=US, O=Google Trust Services, CN=WR1
Valid From
December 13, 2025
Valid Until
March 13, 2026
43 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
12:58:A4:66:BD:09:B8:87:3D:21:DD:20:E3:76:D2:A2:5B:BA:20:4F:31:04:DC:0A:CE:2D:AD:CC:F8:0D:E9:30
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=31536000
Content-Security-Policy
Basic
frame-ancestors; report-uri; base-uri; +2 more
frame-ancestors 'self' *.canva.com canva.com; report-uri https://csp.canva.com/_cspreport?app=websites; base-uri 'self'; object-src 'none'; script-src 'report-sample' 'strict-dynamic' 'nonce-0795602a-5ea4-4807-92ad-d581cd30e3a1' https://www.google.com/recaptcha/api.js;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
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'
- • 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