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DEVELOPER_BLOG

Practical tutorials on DNS records, edge hosting, cloud deployments, and getting the most out of your free devs.surf subdomains.

Security 6 min read

Web Security Checklist for Subdomains: Dangling DNS and Headers

Essential security hygiene for developers: how to prevent subdomain takeover, remove dangling CNAME records, and configure security headers.

Sep 10, 2026 READ_GUIDE

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