TechUtilityTools

DNS Lookup Tool

Resolve A, AAAA, MX, TXT, NS, and CNAME records over DNS-over-HTTPS — fast, private, and authoritative.

What's next
Configure
Monitor this automatically

Get alerts when uptime, latency, or DNS changes.

Open history
Save this check

Keep unlimited history across devices.

View trends
Track performance over time

See trends, regressions, and outage windows.

How it works

  1. 1
    DNS-over-HTTPS query

    We query Cloudflare 1.1.1.1 over HTTPS — encrypted, no plaintext leak to your ISP.

  2. 2
    JSON response parsed

    We display the answer section with TTLs and raw record data.

  3. 3
    All record types supported

    A, AAAA, MX, TXT, NS, and CNAME — covering web, email, and verification needs.

Real use cases

  • — Debug why your site won't load — is it DNS or routing?
  • — Verify SPF, DKIM, or domain-verification TXT records.
  • — Confirm MX records before migrating email providers.
  • — Compare authoritative records against what your local resolver returns.

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Operational hub

DNS operations workflow

DNS rarely fails alone — continue into the full resolution, propagation, and incident workflow.

Runs entirely in your browser. Nothing is sent to our servers.