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DNS & MX Record Lookup

Resolve A, AAAA, MX, TXT, CNAME, NS, SOA, and CAA with SPF/DMARC lint.

This tool sends your input (e.g. domain or URL) to retrieve live headers or DNS records. We do not store the response or track your target. How this works →

SPF
Missing
DMARC
Missing
No answers yet.

Client-side DNS-over-HTTPS queries

100% in-browser

DNS records are retrieved via public DNS-over-HTTPS (DoH) resolvers directly from your browser. Results reflect globally published records at the time of the query and may vary during active DNS propagation windows.

Standard: Queries Google Public DNS DoH directly from your browser tab; no DNS lookups are proxied through Ambiakshi servers.

Frequently asked

Direct answers for search, answer engines, and generative crawlers.

Key records include A and AAAA for mapping hostnames to IPv4 and IPv6 addresses, MX for routing incoming email, CNAME for subdomain aliases, and TXT for verification, SPF, and security policies.

Feedback, bugs & custom requests

Found a bug, a math anomaly, or a missing feature on DNS & MX Record Lookup? Send it to engineering — reports land in our Discord channel. Optional email if you want a follow-up.

Related tools

Canonical: /developer/dns-mx-lookup. Estimates and conversions are educational. See the full disclaimer.