Skip to main content
resolve4 - dns/promises - Node documentation
function resolve4

Usage in Deno

import { resolve4 } from "node:dns/promises";
resolve4(hostname: string): Promise<string[]>

Uses the DNS protocol to resolve IPv4 addresses (A records) for the hostname. On success, the Promise is resolved with an array of IPv4 addresses (e.g. ['74.125.79.104', '74.125.79.105', '74.125.79.106']).

Parameters

hostname: string

Host name to resolve.

Return Type

Promise<string[]>
resolve4(
hostname: string,
): Promise<RecordWithTtl[]>

Parameters

hostname: string

Return Type

Promise<RecordWithTtl[]>
resolve4(
hostname: string,
options: ResolveOptions,
): Promise<string[] | RecordWithTtl[]>

Parameters

hostname: string
options: ResolveOptions

Return Type

Promise<string[] | RecordWithTtl[]>