DNS Gurus
Cached · just now
85/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 41
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Certificate Information

Subject
C=US, ST=Kentucky, O=Northern Kentucky University, CN=wwwserv.nku.edu
Issuer
C=US, O=Internet2, CN=InCommon RSA Server CA 2
Valid From
September 30, 2025
Valid Until
September 30, 2026 61 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
29:41:67:0A:A5:C5:71:84:5E:CC:26:CA:1C:E4:2E:ED:55:BB:F5:41:CC:75:62:36:14:EF:0F:1C:B7:87:98:E3
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
YouTube logo
Basic
default-src; base-uri; connect-src; +14 more Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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