Hi! First of all sorry for my bad english, i have a windows domain, were my Primary DC is the primary DNS server, i was wondering if it is possible that a user from the same domain is attacking/stressing our DNS sv (Idk if by a simple dig command or something more complex)IN case it is possible, how can I Fix/Mitigate it? I think they are aiming at our SQL/web server but the DNS server is suffering a lot.

PS: Probably it isnt just a single computer making the request, but a group of 24 computers (Havent checked that yet...Ooops)