Is the screenshot your current dns config? It's telling your dhcp clients to use 8.8.8.8 as their dns server. If you want the router to act as a dns server, you'll need to change static dns 1 to 192.168.1.1 as a starting point.
Regarding your dhcp cl...
So we know the windows host has at least 2 mac addresses. The one ending in 63cc which matches the switch's mac address table. I'm not sure where d2b3 has come from though as this isn't in the mac address table.
Therefore ea1f and aacc are unknowns. ...