DNS Redirect
/ip firewall nat
add action=dst-nat chain=dstnat comment=lvcloud dst-port=53 packet-mark=lvcloud_<LUI> protocol=udp src-address-list=lvcloud_<LUI> to-addresses=1.1.1.1
add action=dst-nat chain=dstnat comment=lvcloud dst-port=53 packet-mark=lvcloud_<LUI> protocol=tcp src-address-list=lvcloud_<LUI> to-addresses=1.1.1.1