Look up DNS records for a domain.
The queried domain is sent to the selected DNS provider.
Starting points for your own code. Run them in the environment shown below.
Node.js 22+ · ES module (.mjs)
Current inputs apply only to fields used by the example. Selected files are not embedded.
Install dependencies
const url = new URL("https://cloudflare-dns.com/dns-query");
url.searchParams.set("name", "example.com");
url.searchParams.set("type", "A");
// Sends the queried domain to Cloudflare.
const response = await fetch(url, { headers: { Accept: "application/dns-json" } });
if (!response.ok) throw new Error("HTTP " + response.status);
console.log(await response.json());Look up DNS records for a domain.
Running a lookup exposes the domain and your IP to the selected provider. Results vary by provider, cache, and region.
10-second timeout
Split inputs that exceed the limit. If a format or algorithm is unsupported, choose a tool that matches your requirements instead of silently changing the format.