open fun createDnsClient(port: Int, host: String): DnsClient
Create a DNS client to connect to a DNS server at the specified host and port, with the default query timeout (5 seconds)
Return
the DNS client
open fun createDnsClient(): DnsClient
Create a DNS client to connect to the DNS server configured by io.vertx.core.VertxOptions
DNS client takes the first configured resolver address provided by }
Return
the DNS client
open fun createDnsClient(options: DnsClientOptions): DnsClient
Create a DNS client to connect to a DNS server
Return
the DNS client