Open
Cached
·
just now
95/100
SECURITY SCORE
Certificate Information
Subject
CN=vladislavershov.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 01, 2025
Valid Until
December 30, 2025
36 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
34:A0:42:C9:2B:44:64:15:54:52:E1:9A:A9:19:F0:BF:CA:07:7B:4E:F5:F8:A2:C6:EB:3F:5D:5B:A4:45:7A:D8
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; script-src; style-src; +6 more
default-src 'self'; script-src 'self' 'unsafe-inline' https://cdn.tailwindcss.com https://www.googletagmanager.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' data: https:; font-src 'self' https://fonts.gstatic.com; connect-src 'self' https://www.google-analytics.com https://region1.google-analytics.com https://www.googletagmanager.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
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=()
Recommendations
- • 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
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Other domains in certificate