Open Cached · just now
88/100 SECURITY SCORE

Certificate Information

Subject
CN=www.austin-high.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 07, 2025
Valid Until
March 07, 2026 88 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
12:8F:6A:CB:CA:95:62:E7:7E:4B:C1:C2:7B:F3:29:53:98:B6:41:9B:6D:02:C4:EA:3D:BB:BD:64:32:68:CD:A0
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Good
default-src; connect-src; script-src; +9 more
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Strengthen CSP by removing 'unsafe-eval'
  • 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

100 domains
www.mattb.io

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app.agrcuidar.com.br
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www.almirajschoolofamazingadventurers.com
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dnd5e.darkmane.me
startup.davidecampello.app
love.daxxac.dev
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payment.delooye.com
diatonic.ro
studio.dev.disruptive-technologies.com
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remix.id
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stefangisi.info www.stefangisi.info
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zupratti.tech