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<?php $domain = 'sdlkfjsdl.gov'; if (gethostbyname($domain) == $domain) { var_dump(checkdnsrr($domain)); var_dump(getmxrr($domain, $mxhosts)); var_dump($mxhosts); } else { echo 'Domain exists'; }
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) array(0) { }

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