Someone

option domain-name-servers 198.235.216.130;
ddns-update-style ad-hoc;
option broadcast-address 192.168.1.255;

subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.2 192.168.1.10;
default-lease-time 300000;
max-lease-time 350000;
option routers 192.168.1.1;
}