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DNS Lookup Tool

Query DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA) for any domain with authoritative answers and TTL values.

Presets:

About DNS Lookup Tool

Diagnosing email deliverability (SPF/DKIM/DMARC), CDN routing, and domain verification requires accurate DNS queries. This tool runs live queries across all primary DNS record types and presents results in clean, organized tables.

How to Use This Tool

  1. Enter the domain hostname (e.g. 'cloudflare.com').
  2. Choose a specific record type (ALL, A, AAAA, MX, TXT, CNAME, NS, SOA).
  3. Click 'Lookup DNS Records'.
  4. Inspect the returned IP addresses, mail exchange priorities, and verification TXT strings.

Practical Examples & Use Cases

Auditing Mail Exchangers (MX) and SPF

Input
domain.com (Type: MX & TXT)

Displays mail servers and SPF records ('v=spf1 include:_spf.google.com ~all') to troubleshoot email delivery.

Frequently Asked Questions

DNS records are cached by recursive resolvers worldwide based on their Time-To-Live (TTL). Until the TTL expires, resolvers serve the cached record.

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