ufffffff sabeis como solucionar esto? hoy me han llegado unos 20 mails con el mismo error:

Database error in vBulletin :

mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Unknown MySQL server host 'sql8.XXXXXXXX.com' (4)
/usr/local/apache2/misc/21/241/453/116/1/user/web/XXXXXX.com/foro/includes/class_core.php on line 279

MySQL Error :
Error Number :
Date : Wednesday, March 29th 2006 @ 10:56:42 AM
Script : XXXXX
Referrer : http://www.XXXXXXXXX.com/foro/showth...ed=1#post27359
IP Address : XXXXXXX
Username :
Classname : vB_Database