resolveMx - dns - Node

resolveMx - dns - Node documentation

function resolveMx

Usage in Deno

import { resolveMx } from "node:dns";



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

Deno compatibility

The ttl option is not supported.

Uses the DNS protocol to resolve mail exchange records (MX records) for the hostname. The addresses argument passed to the callback function will contain an array of objects containing both a priority and exchange property (e.g. [{priority: 10, exchange: 'mx.example.com'}, ...]).

Parameters



hostname: string



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

Return Type

void