DNS Gurus
Cached · just now
92/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 42
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Certificate Information

Subject
CN=cdata.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
April 07, 2026
Valid Until
July 06, 2026 54 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
80:E2:48:E2:6D:FA:B8:E8:F3:D7:89:52:7C:4A:96:43:FD:43:AE:AD:21:76:0A:2E:FE:ED:7E:08:90:EB:B0:DF
Alternative Names
4 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=63072000; includeSubDomains;
Content-Security-Policy
YouTube logo
Basic
default-src; script-src; style-src; +4 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
strict-origin-when-cross-origin, no-referrer-when-downgrade
Permissions-Policy
Present
accelerometer=(), camera=(), gyroscope=(); +6 more
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'

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