Resources

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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Have a suggestion?

Found a tool that should be listed here? Open an issue and we’ll add it!