resolve4 - node__dns.d.ts - Node

function resolve4

Usage in Deno

```typescript import { resolve4 } from "node:node__dns.d.ts"; ```



resolve4(hostname: string,
callback: (err: ErrnoException | null,
addresses: string[],
) => void,
): void

> [!WARNING] Deno compatibility > The `ttl` option is not supported. Uses the DNS protocol to resolve a IPv4 addresses (`A` records) for the `hostname`. The `addresses` argument passed to the `callback` function will contain 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.



callback: (err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void



resolve4(hostname: string,
options: ResolveWithTtlOptions,
callback: (err: ErrnoException | null,
addresses: RecordWithTtl[],
) => void,
): void

> [!WARNING] Deno compatibility > The `ttl` option is not supported.

Parameters



hostname: string



options: ResolveWithTtlOptions



callback: (err: ErrnoException | null,
addresses: RecordWithTtl[],
) => void

Return Type

void



resolve4(hostname: string,
options: ResolveOptions,
callback: (err: ErrnoException | null,
addresses: string[] | RecordWithTtl[],
) => void,
): void

> [!WARNING] Deno compatibility > The `ttl` option is not supported.

Parameters



hostname: string



options: ResolveOptions



callback: (err: ErrnoException | null,
addresses: string[] | RecordWithTtl[],
) => void

Return Type

void