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Domains

DNS Lookup Toolkit

Verify email delivery in seconds

Live DNS lookup

Query public DNS via Cloudflare 1.1.1.1 (DNS over HTTPS). No account required.

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MX mail routing
TXT SPF / DKIM
A / AAAA hosting
NS nameservers

*Resolver answers are from public DNS; authoritative data for zones you manage may differ.

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Overview

What this covers

A powerful diagnostic tool to check your domain's DNS health. Verify your MX, SPF, and DKIM records to ensure your emails reach the inbox.

Key features

  • SPF syntax validation
  • DKIM key checks
  • DMARC policy analysis