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About DNS Lookup Online
This tool queries the DNS records of any domain — A, AAAA, MX, TXT, NS, CNAME, SOA, and more. Enter a domain, choose a record type (or look up everything), and the tool returns the values authoritative DNS servers report.
DNS lookups are essential for diagnosing email problems (MX records), verifying SSL setup (CAA records), debugging propagation delays after changes, confirming your domain points to the right server (A records), and inspecting third-party integrations (TXT records for SPF, DKIM, DMARC).
The query goes through public recursive resolvers, so results reflect what most users worldwide will see. Local DNS caches and split-horizon DNS configurations may give different answers, so a quick mismatch isn't always a bug.
How to use this tool
How to look up DNS records for a domain
Enter the domain
Type a hostname or domain into the "Hostname or domain" field (e.g. example.com or mail.example.com). Up to 253 characters; leading/trailing whitespace is trimmed.
Know what gets queried
The server asks the public DNS resolver for NS, SOA, MX, A, AAAA, CNAME, TXT, CAA, SRV, and NAPTR records in one call. You do not pick a record type — all ten are tried.
Press Run
The query runs from our server, not your browser, so corporate or local DNS overrides won't influence the result. If no record types return data, you'll see an NXDOMAIN / blocked / empty-zone error.
Read the answer set
Each section lists the records returned for that type (with TTL, target, and priority where applicable). Empty arrays mean "resolver returned no data for this type," not "the domain is dead."