LumaTool
Online tool

DNS Lookup Online

Look up DNS records such as A, AAAA, CNAME, MX, TXT, and NS.

Requires network requestNo sign-inWe only use your input to perform the requested lookup.

DNS Lookup

Look up DNS records such as A, AAAA, CNAME, MX, TXT, and NS.

Examples

Cloudflare A Record Check

Input example 
Domain: example.com
Output example 
Expected evidence: A / AAAA records point to the expected hosting or CDN addresses

DNS Lookup shows the network-backed result so you can review it before sharing or acting on it.

Email DNS Setup

Input example 
Record types: MX, TXT
Output example 
What to review: MX priority, SPF include rules, DKIM selector, and DMARC policy

DNS Lookup shows the network-backed result so you can review it before sharing or acting on it.

Privacy note

This tool needs a network request to complete the lookup. The domain, URL, or IP address you enter may be sent to the LumaTool API only for the requested check.

How to use

  1. Step 1. Open the DNS Lookup page and paste or enter your input.
  2. Step 2. Choose the action, options, or format you need.
  3. Step 3. Review validation messages before using the result.
  4. Step 4. Network-backed tools may send the domain, URL, or IP you enter to LumaTool only for this lookup.

Real-world examples

Verify A and AAAA records after changing DNS at Cloudflare, Route 5...

Verify A and AAAA records after changing DNS at Cloudflare, Route 53, Namecheap, or another provider.

Check MX and TXT records while setting up email delivery, SPF, DKIM...

Check MX and TXT records while setting up email delivery, SPF, DKIM, DMARC, or Google Workspace.

Confirm whether a CNAME is pointing to the expected CDN, hosting pl...

Confirm whether a CNAME is pointing to the expected CDN, hosting platform, or verification target.

Common use cases

  • Verify A and AAAA records after changing DNS at Cloudflare, Route 53, Namecheap, or another provider.
  • Check MX and TXT records while setting up email delivery, SPF, DKIM, DMARC, or Google Workspace.
  • Confirm whether a CNAME is pointing to the expected CDN, hosting platform, or verification target.
  • Inspect NS records before and after a nameserver migration.
  • Collect readable DNS evidence for deployment notes, support tickets, and domain handoffs.
  • Look up DNS records such as A, AAAA, CNAME, MX, TXT, and NS.

FAQ

Is DNS Lookup free?

Yes. DNS Lookup is available as a free LumaTool web tool.

Do I need to sign in?

No sign-in is required for the public tool pages.

Will my input be uploaded?

This tool requires a LumaTool API request for live data. Pasted editor content is not stored in analytics.

Does it work on mobile?

Yes. The editor, buttons, and result areas are designed for mobile and desktop browsers.

Can I copy or download the result?

Ready tools include copy actions, and file-oriented tools include download actions where useful.

What is DNS Lookup best used for?

DNS Lookup is useful for focused network tools tasks where you need a quick browser-based result without switching tools.

How is my input handled?

This tool needs a network request to complete the lookup. The domain, URL, or IP address you enter may be sent to the LumaTool API only for the requested check.

Can I use the output in production work?

Yes, but review the result before applying it to production systems. LumaTool helps with utility work, validation, and formatting, but final decisions stay with you.

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