DNS Gurus
Cached · just now
80/100 SECURITY SCORE

Certificate Information

Subject
CN=www.rackinginspector.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
November 28, 2025
Valid Until
February 26, 2026 62 days
Public Key
ECDSA 384 bit (P-384) Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
74:12:E5:89:32:A5:F4:28:BA:76:F7:9E:4E:E3:4D:08:C2:D8:72:30:74:C3:D0:77:73:6D:E7:49:5B:F9:0C:C6
Alternative Names
3 domains

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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

Subject Alternative Names

3 domains
rackinginspector.com www.rackinginspector.com

Other domains in certificate

srribrochure.gemini.muckypuddle.me