adiciona isto
ficando assim
# dhcpd.conf
#
# Configuration file for ISC dhcpd (see 'man dhcpd.conf')
#
ddns-update-style none;
subnet 211.2.58.0 netmask 255.255.255.0 {
range 211.2.58.210 211.2.58.250;
default-lease-time 600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option broadcast-address 211.2.58.255;
option routers 211.2.58.104;
option domain-name-servers 200.247.60.140, 200.247.60.130;
option domain-name "webcruz.com.br";
}