import { resolveNs } from "https://deno.land/std@0.158.0/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
callback: (err: ErrnoException | null, addresses: string[]) => void