例如，
package mainimport ( "fmt" "net")func main() { // obtained from ping -c 1 stackoverflow.com, should print "stackoverflow.com" addr, err := net.LookupAddr("198.252.206.16") fmt.Println(addr, err)}输出：
[stackoverflow.com.] <nil>
例如，
package mainimport ( "fmt" "net")func main() { // obtained from ping -c 1 stackoverflow.com, should print "stackoverflow.com" addr, err := net.LookupAddr("198.252.206.16") fmt.Println(addr, err)}输出：
[stackoverflow.com.] <nil>
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