Module

std/node/dns.ts>resolveNs

Deno standard library
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function resolveNs
import { resolveNs } from "https://deno.land/std@0.145.0/node/dns.ts";

Uses the DNS protocol to resolve name server records (NS records) for the hostname. The addresses argument passed to the callback function will contain an array of name server records available for hostname (e.g. ['ns1.example.com', 'ns2.example.com']).

Parameters

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