93/100 SECURITY SCORE

Certificate Information

Subject
CN=*.fracttal.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 01, 2026
Valid Until
April 01, 2026 56 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
67:A5:C2:D9:32:A0:2D:75:09:62:7B:F4:1F:4A:E0:21:A8:6C:69:F6:13:29:F8:6D:A0:66:C3:86:C0:1B:96:D8
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
upgrade-insecure-requests; script-src; child-src; +10 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
geolocation=(self), camera=(self "https://chatdev.fracttal.com"), fullscreen=(*), microphone=(self "https://chatdev.fracttal.com"), clipboard-read=(self "https://chatdev.fracttal.com"), clipboard-write=(self "https://chatdev.fracttal.com")
Recommendations
  • 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