DNS Gurus
Cached · just now
93/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 14
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Certificate Information

Subject
CN=calibermind.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
March 26, 2026
Valid Until
June 24, 2026 49 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
54:26:EA:3F:5B:17:8C:47:34:CD:10:ED:4A:FE:43:08:4E:B0:70:C1:68:10:91:96:52:EE:72:3A:EA:4F:8A:BE
Alternative Names
2 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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
AWS CloudFront logo
Basic
default-src; worker-src; frame-ancestors; +7 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
camera=(), geolocation=(), microphone=()
Recommendations
  • • 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

Subject Alternative Names

2 domains
calibermind.com *.calibermind.com