Console Network says “Device does not use Pi-hole”

[deHakkelaar]

All the output posted is as expected except below two:

@clicker

From Mac to 10.247.71.249:
1 * * *
2 * * *

@clicker

abc@JC-MacBook-Pro ~ % nslookup pi.hole 10.247.71.249
;; connection timed out; no servers could be reached

Are they both in the same subnet ?

ip -4 a

ifconfig

Could be rebind protection or similar preventing lookups on private DNS IP's:

Why won't Pi-hole work with DNS rebind protection enabled?

What is DNS rebind protection? If your router has an option called DNS rebind protection enabled, you may run into issues when trying to use Pi-hole as your DNS server. The reasons for this are quite technical, but to summarize what this option does in one sentence: DNS rebind protection does not allow DNS queries to be answered with a local IP address. Why does this interfere with Pi-hole? DNS rebind is meant to be a countermeasure to an attack on your network. So in many cases, it's actu…

Also try set below on the Pi-hole web GUI and do the failed traceroute/nslookup again :

Ps. From below output, the Mac currently isnt configured to use Pi-hole but instead uses 10.247.71.2 for DNS resolution:

@clicker

abc@JC-MacBook-Pro ~ % nslookup pi.hole
Server: 10.247.71.2
Address: 10.247.71.2#53
** server can't find pi.hole: NXDOMAIN