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resolvePtr - dns - Node documentation
function resolvePtr

Usage in Deno

import { resolvePtr } from "node:dns";
resolvePtr(
hostname: string,
callback: (
err: ErrnoException | null,
addresses: string[],
) => void
,
): void
<div class="alert alert-warning"><div><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"> <path stroke="none" d="M0 0h24v24H0z" fill="none" /> <path d="M12 9v4" /> <path d="M10.363 3.591l-8.106 13.534a1.914 1.914 0 0 0 1.636 2.871h16.214a1.914 1.914 0 0 0 1.636 -2.87l-8.106 -13.536a1.914 1.914 0 0 0 -3.274 0z" /> <path d="M12 16h.01" /> </svg> Deno compatibility</div><div><p> The <code>ttl</code> option is not supported.</p> </div></div>

Uses the DNS protocol to resolve pointer records (PTR records) for the hostname. The addresses argument passed to the callback function will be an array of strings containing the reply records.

Parameters

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

Return Type

void