note 88315 added to faq

I have this code : <?php $hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']); echo "$hostname</br>"; ?> but not working true , just give my my ip address,buti want my HOST NAME,plase help me ! thanks! siavashsayareh@gmail.com ---- Server IP: 69.147.83.197 Probable Submitter: 82.115.30.14 ---- Manual Page -- http://www.php.net/manual/en/faq.php Edit -- https://master.php.net/note/edit/88315 Del: integrated -- https://master.php.net/note/delete/88315/integrated Del: useless -- https://master.php.net/note/delete/88315/useless Del: bad code -- https://master.php.net/note/delete/88315/bad+code Del: spam -- https://master.php.net/note/delete/88315/spam Del: non-english -- https://master.php.net/note/delete/88315/non-english Del: in docs -- https://master.php.net/note/delete/88315/in+docs Del: other reasons-- https://master.php.net/note/delete/88315 Reject -- https://master.php.net/note/reject/88315 Search -- https://master.php.net/manage/user-notes.php