Module

std/node/dns.ts>resolvePtr

Deno standard library
denoland/deno_std
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function resolvePtr
import { resolvePtr } from "https://dotland.deno.dev/std@0.177.0/node/dns.ts";

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