Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for bbdd.piscinasfibra.com failed: Temporary failure in name resolution in /hosting/www/piscinasfibra.com/public/connect_db.php on line 3

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for bbdd.piscinasfibra.com failed: Temporary failure in name resolution in /hosting/www/piscinasfibra.com/public/connect_db.php:3
Stack trace:
#0 /hosting/www/piscinasfibra.com/public/connect_db.php(3): mysqli_connect()
#1 /hosting/www/piscinasfibra.com/public/include/application_top.php(10): require('...')
#2 /hosting/www/piscinasfibra.com/public/index_web.php(7): include('...')
#3 {main}
  thrown in /hosting/www/piscinasfibra.com/public/connect_db.php on line 3