82/100 SECURITY SCORE

Certificate Information

Subject
CN=lsy-support.kr
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
August 21, 2026
Valid Until
November 19, 2026 71 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4D:0D:EA:94:0C:59:E6:5F:E6:A1:E2:78:22:37:B2:93:B8:B1:6B:D5:C2:8A:7C:FD:C4:ED:D4:15:8E:3E:52:11
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=31556926
Content-Security-Policy
Weak
frame-ancestors Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Present
ALLOW-FROM https://sme.itdaops.com
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
  • Significantly strengthen CSP directives
  • 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
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

Subject Alternative Names

100 domains
editor.itdaops.com

Other domains in certificate

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