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Network & Security

DNS Check

Look up a domain's A, AAAA, MX, NS, CNAME and TXT records live — runs entirely in your browser via DNS-over-HTTPS.

Check now

How it works

1

Enter a domain

e.g. your-domain.com

2

Look up

All key record types queried in parallel.

3

Read results

Clearly grouped by type.

Benefits

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Free
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No registration
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Runs in your browser
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No server round-trip
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GDPR Friendly

Good to know about this tool

What does this tool do?

Looks up a domain's public DNS records live (A, AAAA, MX, NS, CNAME, TXT) and displays them clearly.

Why does it exist?

DNS misconfigurations are a common cause of unreachable websites or failed email delivery.

Typical use cases
  • Check A records are up to date after a server move
  • Verify MX records before switching email providers
  • Quickly see which nameserver serves a domain
Best practices & notes
  • Allow a few hours for propagation after DNS changes
  • Compare multiple resolvers if results look unclear

Frequently Asked Questions

Why do I see different values than my own PC?

DNS changes take time to propagate globally (depends on TTL) — different resolvers can temporarily show different values.

Are my lookups stored?

The request goes directly from your browser to Cloudflare's public DNS resolver — not through our server.

Disclaimer

The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.

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