Resources

Helpful links, tools, and references to make the most of your subdomain and hosting setup.

Here are some recommended tools, guides, and services to help you manage your subdomain, configure DNS, and deploy your project smoothly.

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Documentation & Standards

• DNS Record Types Explained (Cloudflare)
• What is DNS? (MDN)
• GitHub Pages Documentation
• Vercel Custom Domains
• Netlify Custom Domains
• Let’s Encrypt

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DNS Tools

• MXToolbox DNS Lookup
• Google Admin Toolbox Dig
• WhatsMyDNS (Global DNS Propagation Checker)
• DNSViz (DNS Debugging)
• SSL Checker

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JSON & GitHub Tools

• JSONLint (JSON Validator)
• GitHub Pull Request Guide
• GitHub Markdown Cheatsheet

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Domain Status

Want to check if a subdomain is available or see the full list of active ones?

• Subdomain Directory (GitHub)
• Open a Pull Request

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Assistant

Responses are generated using AI and may contain mistakes.