Module

std/node/dns.ts>resolveCname

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

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

Parameters

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