$_SERVER['REMOTE_ADDR'] = 34.232.63.94
gethostbyaddr($_SERVER['REMOTE_ADDR']) = ec2-34-232-63-94.compute-1.amazonaws.com
$_SERVER['HTTP_X_FORWARDED_FOR'] =
gethostbyaddr($_SERVER['HTTP_X_FORWARDED_FOR']) =
$_SERVER['HTTP_VIA'] =
$_SERVER['HTTP_USER_AGENT'] = CCBot/2.0 (https://commoncrawl.org/faq/)