SSL Certificate Analysis for taichi-jade.com - Security Grade & TLS Configuration

Certificate Information

Subject

CN=www.websiteout.net

Issuer

C=US, O=Let's Encrypt, CN=R12

Valid From

December 18, 2025

Valid Until

March 18, 2026 83 days

Public Key

RSA 2048 bit Adequate

Signature Algorithm

SHA256-RSA

SHA-256 Fingerprint

A8:6D:53:1D:A1:EB:EA:79:D4:77:BF:21:3B:BB:10:47:F6:22:5D:B5:91:F3:50:2F:26:FF:2A:2E:74:B8:5D:7A

Alternative Names

71 domains

Security Configuration

TLS Protocols

TLS 1.0 TLS 1.1 TLS 1.2

Forward Secrecy

Limited (Check cipher configuration)

Warnings

• TLS 1.3 is not supported (recommended)
• TLS 1.1 is deprecated and should be disabled
• TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• 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