DNS Checker
Look up A, AAAA, MX, TXT, CAA, SPF, DKIM and DMARC records for any domain with a one-click scan.
DNS is the plumbing that everything else — email deliverability, HTTPS, CDN routing — silently depends on. A missing DMARC record or a stale MX server is a whole category of bug you can't feel until email starts bouncing. This tool queries authoritative DNS from the edge and shows every record type that matters in a single view.
DNS Checker evaluates the following signals from your target host:
Frequently asked questions
- Yes — lookups are performed via Cloudflare DoH from the edge.
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