DNS Gurus
Cached · just now
88/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 21
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Certificate Information

Subject
CN=imperva.com
Issuer
C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R3 DV TLS CA 2026 Q2
Valid From
April 27, 2026
Valid Until
July 26, 2026 83 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C6:71:43:D0:89:1B:6E:10:3A:A8:B7:2F:FF:8E:32:21:11:77:4D:0C:F5:CD:30:CD:44:49:81:E8:D1:F3:FF:71
Alternative Names
7 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
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
AWS CloudFront logo
Basic
script-src; script-src-elem; style-src; +7 more Analyze
X-Frame-Options
Excellent
DENY
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
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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