Host=heavyhgtlb.mysql.db Port=3306 DB=heavyhgtlb User=heavyhgtlb Pass=(EMPTY — this will fail) DNS: heavyhgtlb.mysql.db => 192.168.4.75 TCP heavyhgtlb.mysql.db:3306 OPEN (0ms) TCP heavyhgtlb.mysql.db:3306 OPEN (0ms) TCP heavyhgtlb.mysql.db:3520 FAIL 110 Connection timed out (4003ms) TCP heavyhgtlb.mysql.db:3542 FAIL 110 Connection timed out (4000ms) Submit the form to test PDO.