DNS Gurus
Cached · just now
78/100 SECURITY SCORE

Certificate Information

Subject
CN=justwatch.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 01, 2025
Valid Until
March 01, 2026 47 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
81:63:54:2F:55:2B:15:E8:5E:67:B6:EB:16:D8:78:1F:02:EA:FF:88:67:B2:1B:67:3F:C1:7A:FA:56:E9:40:47
Alternative Names
23 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • • 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
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Missing
Not configured
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 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