🌐 DNS Lookup API

A comprehensive DNS lookup service with support for multiple record types and resolvers.

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🔌 Endpoints

GET /api/lookup

Retrieve DNS records for a domain or IP address.

• Parameters:
  • domain (required): Domain name or IP address (e.g. example.com or 8.8.8.8)
  • resolver (optional): Choose from google, cloudflare, opendns, or quad9

GET /health

Health check endpoint to verify service availability.

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🧪 Example Usage

Domain Lookup

/api/lookup?domain=example.com&resolver=cloudflare

PTR (Reverse DNS) Lookup

/api/lookup?domain=8.8.8.8&resolver=google

Demo Page

DNS Lookup API Web Page
DNS Lookup API JSON Result

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📄 Supported Record Types

• A
• AAAA
• NS
• MX
• TXT
• CNAME
• SOA
• SRV
• CAA
• PTR (reverse DNS)

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🚦 Rate Limiting

Rate limiting is applied per IP address to ensure fair usage and prevent abuse.

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🛠️ Coming Soon

• Caching for frequent lookups
• Authentication support (API keys)
• JSON schema validation

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🤝 Contributing

Feel free to open issues or pull requests to suggest improvements or report bugs.

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📬 Contact

For any questions or feedback, please reach out via GitHub Issues or submit a PR.