function resolveMx
Usage in Deno
```typescript import { resolveMx } from "node:node__dns.d.ts"; ```
resolveMx(hostname: string,callback: (err: ErrnoException | null,addresses: MxRecord[],) => void,): void
> [!WARNING] 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'}, ...]`).
callback: (err: ErrnoException | null,addresses: MxRecord[],) => void
void