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Module

std/node/dns.ts>resolveNaptr

Deno standard library
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function resolveNaptr
import { resolveNaptr } from "https://deno.land/std@0.166.0/node/dns.ts";

Uses the DNS protocol to resolve regular expression based records (NAPTR records) for the hostname. The addresses argument passed to the callback function will contain an array of objects with the following properties:

  • flags
  • service
  • regexp
  • replacement
  • order
  • preference
{
  flags: 's',
  service: 'SIP+D2U',
  regexp: '',
  replacement: '_sip._udp.example.com',
  order: 30,
  preference: 100
}

Parameters

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