c-span.org

C-SPAN.org | National Politics | History | Nonfiction Books

Overview

• Status: alive
• First seen: 2026-09-22
• Last crawled: 2026-09-22
• Security grade: B (85/100)
• TLS certificate expires: 2027-03-18
• Inbound links seen: 9

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

Infrastructure: Amazon CloudFront · Apache

Analytics & marketing: Google Tag Manager

Recent changes

• 2026-09-22 — TLS expiry changed from "2027-03-18" to "2027-03-18"

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