Perform DNS lookups on multiple domains simultaneously with detailed results and progress tracking.
Enter domains and start a bulk lookup to see results here.
Our tools are designed to be intuitive, but if you need assistance, we're here to help.
Professional-grade email and DNS diagnostic tools trusted by IT professionals worldwide.
Perform DNS lookups on multiple domains simultaneously with detailed results and progress tracking.
Enter up to 1000 domains, one per line
Enter domains and start a bulk lookup to see results here.
Complete a bulk lookup to see summary statistics here.
This page provides original, human-reviewed information about bulk DNS lookups, covering batch processing limits, output interpretation, and safe practices for auditing large domain lists.
Bulk DNS Lookup allows you to query multiple domains simultaneously for various DNS record types.This tool is essential for network administrators, security professionals, and developers who need to analyze multiple domains efficiently.
This usually means the domain doesn't exist or has no DNS records of the requested type.Verify the domain spelling and try a different record type.
DNS timeouts can occur due to network issues or slow DNS servers.Try reducing the batch size or running the lookup again.
If you're processing many domains, you might hit rate limits.The tool automatically handles this with built-in delays.
There's no hard limit, but we recommend batches of 100-500 domains for optimal performance.Larger batches may take longer and are more prone to timeouts.
Yes! Use the pause button to temporarily stop the lookup process.Click resume to continue from where you left off.
Failed lookups are marked with error status and include detailed error messages.You can retry failed domains or export them separately for further investigation.
Yes, results are exported as CSV files with columns for domain, lookup type, status,result data, processing time, and any error messages.
The tool uses public DNS servers and respects their rate limits.For very large datasets, consider spreading lookups across multiple sessions.
Our tools are designed to be intuitive, but if you need assistance, we're here to help.
Professional-grade email and DNS diagnostic tools trusted by IT professionals worldwide.
