Help Desk Ticket $1$

There are multiple reports of employees located in the USER$\_$Net subnet who cannot get to www$.$wgu.edu, and the issue appears to be affecting the entire organization. They are being redirected to a suspicious site. A help desk technician states that the server team recently installed updates to DMZ$\_$Server$\_3,$ which acts as the DNS server for the organization. The resolution must be organization$-$wide