Warning: mysqli_connect(): (HY000/2005): Unknown MySQL server host 'qnri-test.ccws42gstudt.ap-northeast-1.rds.amazonaws.com' (25) in /usr/share/nginx/html/tke/ist/2108kds/dbcon.php on line 3

Call Stack:
    0.0014     734064   1. {main}() /usr/share/nginx/html/tke/ist/2108kds/index.php:0
    0.0018     778144   2. include('/usr/share/nginx/html/tke/ist/2108kds/dbcon.php') /usr/share/nginx/html/tke/ist/2108kds/index.php:26
    0.0018     778192   3. mysqli_connect() /usr/share/nginx/html/tke/ist/2108kds/dbcon.php:3

..