heres some more info:
root@DietPi:~# grep arpa /var/log/pihole.log | tail -n25
May 3 17:26:50 dnsmasq[40902]: query[PTR] 1.36.14.76.in-addr.arpa from 192.168.1.1
May 3 17:26:50 dnsmasq[40902]: query[PTR] 220.36.14.76.in-addr.arpa from 192.168.1.1
May 3 17:44:26 dnsmasq[40902]: query[SVCB] _dns.resolver.arpa from 192.168.1.170
May 3 17:44:26 dnsmasq[40902]: cached _dns.resolver.arpa is NXDOMAIN
May 3 17:51:06 dnsmasq[40902]: query[PTR] 1.36.14.76.in-addr.arpa from 192.168.1.1
May 3 17:51:06 dnsmasq[40902]: query[PTR] 220.36.14.76.in-addr.arpa from 192.168.1.1
May 3 18:03:07 dnsmasq[45990]: query[PTR] 100.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 100.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:03:07 dnsmasq[45990]: query[PTR] 108.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 108.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:03:07 dnsmasq[45990]: query[PTR] 168.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 168.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:03:07 dnsmasq[45990]: query[PTR] 159.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 159.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:03:07 dnsmasq[45990]: query[PTR] 217.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: config 217.1.168.192.in-addr.arpa is <PTR>
May 3 18:03:07 dnsmasq[45990]: query[PTR] 170.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 170.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:03:07 dnsmasq[45990]: query[PTR] 1.1.168.192.in-addr.arpa from 127.0.0.1
May 3 18:03:07 dnsmasq[45990]: forwarded 1.1.168.192.in-addr.arpa to 127.0.0.1#5335
May 3 18:14:16 dnsmasq[45990]: query[SVCB] _dns.resolver.arpa from 192.168.1.170
May 3 18:14:16 dnsmasq[45990]: forwarded _dns.resolver.arpa to 127.0.0.1#5335
May 3 18:14:16 dnsmasq[4
``5990]: reply _dns.resolver.arpa is NXDOMAIN
root@DietPi:~# echo ">top-clients >quit" | nc localhost 4711
0 2230939 192.168.1.1 darco.lan
1 2025 192.168.1.100 DarcoPC.lan
2 1011 127.0.0.1 localhost
3 438 192.168.1.170 iFone.lan
4 335 192.168.1.168 Bose.lan
5 42 192.168.1.159 fluidd.lan
6 13 192.168.1.108 iPad.lan
7 3 192.168.1.217 pi.hole
root@DietPi:~# echo ">top-domains >quit" | nc localhost 4711
0 2230953 newtab.0.1.168.192.in-addr.arpa
1 976 raw.githubusercontent.com
2 142 iot.api.bose.io
3 120 data.api.bose.io
4 79 connectivity-check.ubuntu.com
5 55 hp.lingscars.com
6 53 p-aw2-dynaman.movetv.com
7 49 streams.adobeprimetime.com
8 35 safebrowsing.googleapis.com
9 32 arksine.github.io