public function getHostAddresses()
{
$ip = null;
$xpath = $this->xPath();
$result = $xpath->query('/epp:epp/epp:response/epp:resData/host:infData/host:addr');
foreach ($result as $address) {
/* @var $address \DOMElement */
$ip[$address->nodeValue] = $address->getAttribute('ip');
}
return $ip;
}