Correct Way to Set DNS Server

[lleachii]

@willowen100

My question is where do I actually set the DNS?

Step 1

On WAN:

@willowen100

and I would like to stop any clients from overriding the DNS with a custom one like Google's (8.8.8.8).

Then...

Step 2: https://openwrt.org/docs/guide-user/dns-request-hijacking

Step 2 ensures that clients with built-in or statically-assigned DNS servers (e.g. Google DNS on Android devices) - use the router.