Try with this:
iptables -t nat -A PREROUTING -i br-lan -p udp --dport 53 -j DNAT --to 192.168.1.1
iptables -t nat -A PREROUTING -i br-lan -p tcp --dport 53 -j DNAT --to 192.168.1.1
Try with this:
iptables -t nat -A PREROUTING -i br-lan -p udp --dport 53 -j DNAT --to 192.168.1.1
iptables -t nat -A PREROUTING -i br-lan -p tcp --dport 53 -j DNAT --to 192.168.1.1