Bulk DNS Lookup

dns

Look up DNS records for multiple domains from a list or CSV upload.

Part of Nexabit Network Utilities — free browser tools by Nexabit IT Solutions. Developer API available for automation.

What this tool does

Look up DNS records for multiple domains from a list or CSV upload.

Best for

Engineers and operators working on DNS and email authentication workflows.

Common use cases

  • Run Bulk DNS Lookup during incident response or change validation
  • Export results as JSON for tickets and runbooks
  • Combine with related tools on the same category page

Bulk DNS Lookup

Paste domains (one per line) or upload a CSV. Maximum 50 domains per run.

3 domain(s) detected (max 50)

Results

Tip: Results open in Visual mode (tables and cards). Use the JSON tab or Copy/Download to export raw output for tickets and runbooks.

Frequently Asked Questions

Bulk DNS Lookup is a free online tool on Nexabit Network Utilities. Look up DNS records for multiple domains from a list or CSV upload.

Use Bulk DNS Lookup when you need to look up DNS records for multiple domains from a list or CSV upload. It is free in the browser on Nexabit Network Utilities with no login required.

Yes. Bulk DNS Lookup is available via the Developer API at /api/v1/dns/bulk. Sign in at /developers/login to create an API key. Browser use remains free.

Yes. Bulk DNS Lookup is free in your browser on Nexabit Network Utilities with no account required. The Developer API has separate free and paid plans for automation.

Bulk DNS Lookup is part of Nexabit Network Utilities, built and maintained by Nexabit IT Solutions.