Welcome to the Pi-hole community, ysammy. 
Your debug log shows DNS requests being received and filtered, if very few by very few clients only.
If your devices are using 192.168.1.1 for DNS, the most likely cause would be your router still distributing it alongside Pi-hole.
There are some routers that are known to do this - you wouldn't run an ASUS RT-AC68 e.g.?