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reverse - dns - Node documentation
function reverse

Usage in Deno

import { reverse } from "node:dns";
reverse(
ip: string,
callback: (
err: ErrnoException | null,
hostnames: string[],
) => void
,
): void

Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an array of host names.

On error, err is an Error object, where err.code is one of the DNS error codes.

Parameters

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

Return Type

void