Warning: mysql_connect() [function.mysql-connect]: Unknown MySQL server host 'mysql51-21.pro' (1) in /home/kelair/www/includes/connexion.php on line 2

Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in /home/kelair/www/includes/connexion.php on line 3

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /home/kelair/www/actualites.php on line 9
Erreur SQL !
SELECT * FROM news order by dateNews desc limit 0,16;
Unknown MySQL server host 'mysql51-21.pro' (1)