DNS Gurus
Cached · just now
92/100 SECURITY SCORE

Certificate Information

Subject
CN=dinimage.dinamize.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 01, 2026
Valid Until
April 01, 2026 59 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
5A:3B:3A:7B:4D:DE:48:EC:98:BC:FF:BB:D4:A3:0D:66:47:E4:98:4F:02:93:69:5E:8A:F4:02:47:1F:C0:83:56
Alternative Names
29 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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Weak
upgrade-insecure-requests
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
  • • Consider adding 'preload' to HSTS for maximum security
  • • Significantly strengthen CSP directives
  • • 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
letsencrypt.org
Wildcard CAs
letsencrypt.org
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts