I had this problem, I fixed it by modifying /etc/hosts (Not saying this is your problem, it however may be as simple as this.
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Server IP: 69.147.83.197
Probable Submitter: 98.244.135.111
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Manual Page -- http://www.php.net/manual/en/function.gethostbyaddr.php
Edit -- https://master.php.net/note/edit/86043
Del: integrated -- https://master.php.net/note/delete/86043/integrated
Del: useless -- https://master.php.net/note/delete/86043/useless
Del: bad code -- https://master.php.net/note/delete/86043/bad+code
Del: spam -- https://master.php.net/note/delete/86043/spam
Del: non-english -- https://master.php.net/note/delete/86043/non-english
Del: in docs -- https://master.php.net/note/delete/86043/in+docs
Del: other reasons-- https://master.php.net/note/delete/86043
Reject -- https://master.php.net/note/reject/86043
Search -- https://master.php.net/manage/user-notes.php
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