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SECURITY SCORE
Certificate Information
Subject
CN=postquantum.in
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
December 17, 2025
Valid Until
March 17, 2026
60 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
EF:D3:9D:30:91:62:51:D5:96:4E:8F:F0:71:6D:39:42:DE:3E:CA:99:69:AD:1B:BE:4C:FC:3C:BE:51:62:C0:1B
Alternative Names
Security Configuration
TLS Protocols
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Weak
max-age=0; includeSubDomains; preload
Content-Security-Policy
Good
default-src; script-src; style-src; +7 more
default-src 'self'; script-src 'self' 'unsafe-inline' https://cdnjs.cloudflare.com https://analytics.ahrefs.com https://static.cloudflareinsights.com https://www.googletagmanager.com https://www.google-analytics.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; font-src 'self' data: https://fonts.gstatic.com https://cdnjs.cloudflare.com; img-src 'self' data: https://flagcdn.com https://www.google-analytics.com https://www.googletagmanager.com; connect-src 'self' https://analytics.ahrefs.com https://api.frankfurter.app https://cloudflareinsights.com https://www.google-analytics.com https://analytics.google.com https://region1.google-analytics.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'; upgrade-insecure-requests
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(), microphone=(), camera=(), payment=(), usb=(), magnetometer=(), gyroscope=(), accelerometer=(), browsing-topics=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
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