src/connectivity/network/netstack/config/netstack_dns.config

{
  "services": {
    "fuchsia.net.NameLookup": "fuchsia-pkg://fuchsia.com/netstack#meta/netstack.cmx",
    "fuchsia.net.name.LookupAdmin": "fuchsia-pkg://fuchsia.com/netstack#meta/netstack.cmx"
  }
}