Access point and working DNS

I want to organize an access point in Kali Linux OS. I do it with the command tool: sudo berate_ap -n wlan0 Testing 12345678. The access point is working well. A new interface appears in the network settings: ap0. Clients also successfully connect to this access point and receive the following network settings: IP: 192.168.12.*/24 Gateway: 192.168.12.1 DNS: 192.168.12.1 My task is as follows: so that the laptop on which this access point is accessible from the phone (i.e. from the client device that is connected to this dsoup point) by domain name, i.e. so that from the phone I typed into the browser, for example, testing.net, I got to this laptop, or rather, to the service that is spinning there, I can log in by IP, but I can’t by the domain name. Could you tell me please, how can I implement such a task? I tried to do something through the bind9 utility, but nothing worked for me. too complicated setup and it is not clear what's what. Maybe there is a faster and easier way. Thank you very much!