AP DNS : Ubiquiti
https://www.reddit.com/r/Ubiquiti/comments/p104yg/ap_dnsThe default would normally be that your user devices are provided the gateway or router address for DNS. and then the router will pass that DNS request up the line to however you have configured it. So on my phone that lives in the .30.nnn VLAN, the phone sees .30.1 for DNS, and my USG passes that to my pi-hole which sits elsewhere in the network.