package netx

import (
	"fmt"
	"net"
)

type dns struct{}

func NewDNS() *dns {
	return &dns{}
}


// 查询A记录，返回IPV4和IPV6的切片
func GetA(domain string) ([]string, error) {
	iprecords, _ := net.LookupIP("facebook.com")
	for _, ip := range iprecords {
		fmt.Println(ip)
	}
}

// 查询CNAME记录
func GetCNAME(domain string) (string, error) {
	cname, _ := net.LookupCNAME("m.facebook.com")
	fmt.Println(cname)
}

// chaxun