nikkeibp.co.jp

日経BP

Overview

• Status: alive
• First seen: 2026-09-22
• Last crawled: 2026-09-22
• Security grade: F (40/100)
• TLS certificate expires: 2027-02-13
• Inbound links seen: 3

Security & email signals

• ✓ HTTPS
• ✗ HSTS
• ✗ Content-Security-Policy
• ✗ X-Content-Type-Options
• ✗ X-Frame-Options
• ✗ Referrer-Policy
• ✗ Permissions-Policy
• ✓ SPF record
• ✓ DMARC record
• ✗ DKIM record
• ✓ Cookies set securely
• ✓ Has real content (not an empty shell)
• ✓ Valid TLS certificate

Detected technology

Platform & framework: jQuery

Infrastructure: Apache

Analytics & marketing: Google Tag Manager

Recent changes

• 2026-09-22 — TLS expiry changed from "2027-02-13" to "2027-02-13"

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