# DNSRadar > DNS Monitoring for Developers | Real-time DNS record monitoring with instant notifications DNSRadar is a purpose-built DNS monitoring service for developers and technical teams. Monitor your DNS records in real-time and get instant notifications when changes occur. ## Overview DNSRadar provides comprehensive DNS monitoring through a developer-friendly API. Track A, AAAA, CNAME, MX, TXT, NS, and PTR records with customizable check frequencies and flexible matching options. **Key Features:** - Real-time DNS monitoring with check intervals from 5-120 minutes - Webhook notifications for DNS changes - Bulk operations for managing multiple monitors - Flexible matching for SPF, DMARC, MX, and A/AAAA records - Integration with n8n, Zapier, and custom webhook endpoints - Group-based monitor organization **API Base URL:** https://api.dnsradar.dev ## Plans & Pricing - **Free Plan**: Free, 50 monitors, 60-minute check frequency, 7 days log retention - **Starter**: $9/month, 100 monitors, 5-minute frequency, 90-days log retention - **Professional**: $24/month, 1000 monitors, 5-minute frequency, 90-days log retention - **Business**: $49/month, 2500 monitors, 5-minute frequency, 90-days log retention - **Scale**: $99/month, 10000 monitors, 5-minute frequency, 90-days log retention ## Authentication All API requests require an API key passed via the `X-API-Key` header: ``` X-API-Key: your_api_key_here ``` ## Rate Limits - Standard endpoints: 250 requests per minute - Bulk operations: Recommended for managing multiple monitors ## Monitor States - **UNSET:** Monitor created but not yet checked - **VALID:** DNS record matches expected value - **MISMATCH:** DNS record doesn't match expected value - **NOT_FOUND:** DNS record doesn't exist - **TIMEOUT:** DNS query timed out - **INVALID:** DNS query returned invalid data ## Support - **Website:** https://dnsradar.dev - **Contact:** https://dnsradar.dev/contact - **Twitter:** @dnsradardev - **Bluesky:** dnsradar.dev ## Additional Resources - Full API Documentation: https://developers.dnsradar.dev - Complete content with code examples: https://dnsradar.dev/llms-full.txt - Markdown documentation index: https://dnsradar.dev/docs/index.json ## Documentation All documentation is available in both HTML and clean markdown formats. ### API Documentation Index - [List all docs](https://dnsradar.dev/docs/index.json) - JSON index of all documentation ### Flexible A/AAAA Record Matching - [Flexible A/AAAA Record Matching](/docs/a-aaaa-flexible-matching.md) - Monitor A and AAAA records with flexible matching to allow additional IP addresses while ensuring your required infrastructure remains configured. ### Create Multiple Monitors at Once - [Create Multiple Monitors at Once](/docs/bulk-create-monitors.md) - Use the bulk creation API to efficiently add up to 1,000 DNS monitors in a single request for large-scale monitoring deployments. ### Configure Webhooks for DNS Notifications - [Configure Webhooks for DNS Notifications](/docs/configure-webhooks.md) - Set up webhooks to receive real-time notifications when DNS changes are detected by your monitors. ### Create a DNS Monitor - [Create a DNS Monitor](/docs/create-monitor.md) - Learn how to create DNS monitors programmatically using the DNSRadar API to track changes to your DNS records. ### Flexible DMARC Record Matching - [Flexible DMARC Record Matching](/docs/dmarc-flexible-matching.md) - Monitor DMARC records with flexible matching to allow customers to adjust policies while ensuring core DMARC configuration remains intact. ### Enable and Disable Monitors - [Enable and Disable Monitors](/docs/enable-disable-monitors.md) - Control individual monitor checking without deleting monitor configuration or history. ### Enable and Disable Webhooks - [Enable and Disable Webhooks](/docs/enable-disable-webhooks.md) - Control webhook notification delivery by enabling or disabling webhooks without deleting their configuration. ### View Monitor Event History - [View Monitor Event History](/docs/monitor-events.md) - Access the complete history of DNS changes detected by your monitors with the events API endpoint. ### Flexible MX Record Matching - [Flexible MX Record Matching](/docs/mx-flexible-matching.md) - Monitor MX records with flexible matching to allow additional mail servers while ensuring your required email infrastructure remains configured. ### Managing MX Record Priorities - [Managing MX Record Priorities](/docs/mx-priorities.md) - Understand how to monitor MX record priorities to ensure proper email routing and maintain mail server preference order. ### Integrate DNSRadar with N8N - [Integrate DNSRadar with N8N](/docs/n8n-integration.md) - Use N8N workflows to automate responses to DNS changes detected by DNSRadar monitors through webhook triggers. ### Flexible SPF Record Matching - [Flexible SPF Record Matching](/docs/spf-flexible-matching.md) - Monitor SPF records with flexible matching to allow additional includes and mechanisms while ensuring your required SPF components are present. ### Test Webhook Endpoints - [Test Webhook Endpoints](/docs/test-webhooks.md) - Verify webhook configuration by sending test payloads to your endpoints before deploying to production. ### Update Multiple Monitors at Once - [Update Multiple Monitors at Once](/docs/update-monitors-bulk.md) - Efficiently update check frequency and active status for all monitors in a group with a single API request. ### View Webhook Request History - [View Webhook Request History](/docs/webhook-requests.md) - Track webhook delivery attempts with detailed request history including status codes, response times, and error messages. ### Understanding Webhook Retries - [Understanding Webhook Retries](/docs/webhook-retries.md) - Learn how DNSRadar handles webhook delivery failures with intelligent retry mechanisms and exponential backoff. ### Integrate DNSRadar with Zapier - [Integrate DNSRadar with Zapier](/docs/zapier-integration.md) - Use Zapier workflows to automate responses to DNS changes detected by DNSRadar monitors through webhook triggers.