dns.promises.resolveSrv

hostname: string

): Promise<SrvRecord[]>;

Uses the DNS protocol to resolve service records (SRV records) for the hostname. On success, the Promise is resolved with an array of objects with the following properties:

priority
weight
port
name

{
  priority: 10,
  weight: 5,
  port: 21223,
  name: 'service.example.com'
}