Here's an extract of pihole.log after configuring PI-Hole again as DNS server for the network, the last website I wanted to surf to was sonusfaber.com - for reference:
2025-01-05 11:12:29.747 Pi-hole hostname pi.hole is 0.0.0.0
2025-01-05 11:13:00.058 **query[A] pi.hole from 127.0.0.1**
2025-01-05 11:13:00.058 Pi-hole hostname pi.hole is 0.0.0.0
2025-01-05 11:13:30.302 **query[A] pi.hole from 127.0.0.1**
2025-01-05 11:13:30.302 Pi-hole hostname pi.hole is 0.0.0.0
2025-01-05 11:14:00.591 **query[A] pi.hole from 127.0.0.1**
2025-01-05 11:14:00.591 Pi-hole hostname pi.hole is 0.0.0.0
2025-01-05 11:14:03.178 **query[AAAA] my.tado.com from 172.16.0.1**
2025-01-05 11:14:05.903 forwarded my.tado.com to 172.16.0.3#5335
2025-01-05 11:14:05.903 forwarded my.tado.com to 172.16.0.3#5335
2025-01-05 11:14:05.904 reply my.tado.com is NODATA-IPv6
2025-01-05 11:14:08.158 **query[AAAA] my.tado.com from 172.16.0.1**
2025-01-05 11:14:08.159 forwarded my.tado.com to 172.16.0.3#5335
2025-01-05 11:14:08.159 reply my.tado.com is NODATA-IPv6
2025-01-05 11:14:14.181 **query[A] fcm.googleapis.com from 172.16.0.1**
2025-01-05 11:14:16.558 forwarded fcm.googleapis.com to 172.16.0.3#5335
2025-01-05 11:14:16.558 **query[A] fcm.googleapis.com from 172.16.0.1**
2025-01-05 11:14:16.558 forwarded fcm.googleapis.com to 172.16.0.3#5335
2025-01-05 11:14:16.558 forwarded fcm.googleapis.com to 172.16.0.3#5335
2025-01-05 11:14:16.560 query[HTTPS] www.sportsmaserati.com from 172.16.0.1
2025-01-05 11:14:19.245 **regex denied www.sportsmaserati.com is NODATA**
2025-01-05 11:14:19.248 reply fcm.googleapis.com is 216.239.38.57
2025-01-05 11:14:19.248 reply fcm.googleapis.com is 216.239.36.55
2025-01-05 11:14:19.248 reply fcm.googleapis.com is 216.239.38.55
2025-01-05 11:14:19.248 reply fcm.googleapis.com is 216.239.36.57
2025-01-05 11:14:19.248 query[HTTPS] www.sportsmaserati.com from 172.16.0.1
2025-01-05 11:14:19.248 **regex denied www.sportsmaserati.com is NODATA**
2025-01-05 11:14:19.248 **query[A] fcm.googleapis.com from 172.16.0.1**
2025-01-05 11:14:19.248 forwarded fcm.googleapis.com to 172.16.0.3#5335
2025-01-05 11:14:19.248 query[HTTPS] www.sportsmaserati.com from 172.16.0.1
2025-01-05 11:14:19.248 **regex denied www.sportsmaserati.com is NODATA**
2025-01-05 11:14:19.249 reply fcm.googleapis.com is 216.239.38.57
2025-01-05 11:14:19.249 reply fcm.googleapis.com is 216.239.36.55
2025-01-05 11:14:19.249 reply fcm.googleapis.com is 216.239.38.55
2025-01-05 11:14:19.249 reply fcm.googleapis.com is 216.239.36.57
2025-01-05 11:14:19.249 **query[A] firewalla.encipher.io from 172.16.0.1**
2025-01-05 11:14:19.249 forwarded firewalla.encipher.io to 172.16.0.3#5335
2025-01-05 11:14:19.249 query[HTTPS] sonusfaber.com from 172.16.0.1
2025-01-05 11:14:21.002 **regex denied sonusfaber.com is NODATA**
2025-01-05 11:14:21.002 reply firewalla.encipher.io is 54.201.47.113
2025-01-05 11:14:21.002 reply firewalla.encipher.io is 52.34.214.185
2025-01-05 11:14:21.002 reply firewalla.encipher.io is 34.214.149.62
2025-01-05 11:14:21.002 **query[A] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:22.729 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:22.729 **query[AAAA] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:24.453 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:24.454 reply sonusfaber.com is 76.76.21.21
2025-01-05 11:14:24.454 query[HTTPS] sonusfaber.com from 172.16.0.1
2025-01-05 11:14:24.454 **regex denied sonusfaber.com is NODATA**
2025-01-05 11:14:24.455 **query[AAAA] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:24.455 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:24.455 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:24.455 **query[A] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:24.455 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:24.455 **query[A] fcm.googleapis.com from 172.16.0.1**
2025-01-05 11:14:24.455 forwarded fcm.googleapis.com to 172.16.0.3#5335
2025-01-05 11:14:24.455 reply sonusfaber.com is 76.76.21.21
2025-01-05 11:14:24.455 query[HTTPS] www.sportsmaserati.com from 172.16.0.1
2025-01-05 11:14:24.455 **regex denied www.sportsmaserati.com is NODATA**
2025-01-05 11:14:24.456 reply fcm.googleapis.com is 216.239.38.55
2025-01-05 11:14:24.456 reply fcm.googleapis.com is 216.239.36.57
2025-01-05 11:14:24.456 reply fcm.googleapis.com is 216.239.38.57
2025-01-05 11:14:24.456 reply fcm.googleapis.com is 216.239.36.55
2025-01-05 11:14:24.456 **query[A] www.google.com from 172.16.0.1**
2025-01-05 11:14:26.762 forwarded www.google.com to 172.16.0.3#5335
2025-01-05 11:14:26.762 reply www.google.com is 142.250.179.164
2025-01-05 11:14:26.763 reply sonusfaber.com is NODATA-IPv6
2025-01-05 11:14:26.763 query[HTTPS] sonusfaber.com from 172.16.0.1
2025-01-05 11:14:26.763 **regex denied sonusfaber.com is NODATA**
2025-01-05 11:14:26.763 **query[AAAA] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:26.763 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:26.763 **query[A] sonusfaber.com from 172.16.0.1**
2025-01-05 11:14:26.763 forwarded sonusfaber.com to 172.16.0.3#5335
2025-01-05 11:14:26.763 reply sonusfaber.com is NODATA-IPv6
2025-01-05 11:14:26.763 **query[AAAA] config.edge.skype.com from 172.16.0.1**
2025-01-05 11:14:29.651 forwarded config.edge.skype.com to 172.16.0.3#5335
2025-01-05 11:14:29.667 reply config.edge.skype.com is <CNAME>
2025-01-05 11:14:33.730 reply config.edge.skype.com.trafficmanager.net is <CNAME>
2025-01-05 11:14:36.607 reply l-0007.config.skype.com is <CNAME>
2025-01-05 11:14:39.562 reply config-edge-skype.l-0007.l-msedge.net is <CNAME>
2025-01-05 11:14:41.922 reply l-0007.l-msedge.net is 2620:1ec:21::16
2025-01-05 11:14:41.922 reply sonusfaber.com is 76.76.21.21
2025-01-05 11:14:41.922 **query[A] config.edge.skype.com from 172.16.0.1**
2025-01-05 11:14:44.855 forwarded config.edge.skype.com to 172.16.0.3#5335
2025-01-05 11:14:44.855 reply config.edge.skype.com is <CNAME>
2025-01-05 11:14:48.934 reply config.edge.skype.com.trafficmanager.net is <CNAME>
2025-01-05 11:14:51.944 reply l-0007.config.skype.com is <CNAME>
2025-01-05 11:14:54.809 reply config-edge-skype.l-0007.l-msedge.net is <CNAME>
2025-01-05 11:14:57.203 reply l-0007.l-msedge.net is 13.107.42.16
(there is a regex to block HTTPS requests FYI)