DNS Gurus
Cached · just now
70/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=Iowa, O=Corteva Agriscience MCS LLC, CN=redirects.corteva.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36
Valid From
September 11, 2025
Valid Until
September 11, 2026 246 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
35:AC:6E:63:86:2E:91:1C:FB:27:11:99:04:7F:07:8C:53:A9:C9:09:0B:AB:6D:1A:78:CB:7B:25:C1:88:1A:B6
Alternative Names
47 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)
  • • TLS 1.1 is deprecated and should be disabled
  • • TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
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
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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