Your IP : 23.20.20.52 {387191860}
Reverse DNS : ec2-23-20-20-52.compute-1.amazonaws.com

Result = Array
(
    [0] => Array
        (
            [host] => ec2-23-20-20-52.compute-1.amazonaws.com
            [class] => IN
            [ttl] => 604800
            [type] => A
            [ip] => 23.20.20.52
        )

)
Auth NS = 
Additional =