DNS Gurus
Cached · just now
93/100 SECURITY SCORE

Certificate Information

Subject
CN=*.cyberfolks.pl
Issuer
C=PL, O=cyber_Folks S.A., CN=cyber_Folks
Valid From
March 31, 2025
Valid Until
March 31, 2026 76 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2F:E7:09:9A:66:B3:26:DD:D9:B5:D2:6D:6A:82:06:CE:94:33:FF:40:1D:B6:BD:B4:A8:85:A9:1D:C7:75:8C:4B
Alternative Names
24 domains

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
Good
default-src; script-src; style-src; +8 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Present
accelerometer=*, autoplay=(self), camera=(), clipboard-read=(self), clipboard-write=(self), display-capture=(self), fullscreen=(self), geolocation=(), gyroscope=*, magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(self), publickey-credentials-get=(self), screen-wake-lock=(self), sync-xhr=(self), usb=(), xr-spatial-tracking=()
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Strengthen CSP by removing 'unsafe-eval'

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