Pi-hole not responding to Macs

[jfb]

@stevedoc

Because the Macs cannot reach pi-hole they fail-over to the other DNS server configured in the router (1.1.1.1).

You should not have a DNS server available that is not a Pi-hole.

Why should Pi-hole be my only DNS server?

Reduced Ad Blocking Capability The main reason you should Pi-hole as your only DNS server is that you will see increased performance in the blocking of ads. If you have two DNS servers (Pi-hole and something else), your network clients may not always query Pi-hole for name resolution. If a query happens to be answered from a non-Pi-hole DNS server, your block lists will not apply (since that DNS server doesn't know about them). All Queries Need To Go Through Pi-hole First Since other DNS serv…

@stevedoc

they cannot get a response to DNS requests.

One one of the Macs (and on the terminal on that Mac, not via ssh to Pi-hole), what is the output of the following commands:

nslookup pi.hole

nslookup pi.hole 192.168.22.53

scutil --dns