echo 'authoritative;
ddns-update-style interim;
ignore client-updates;
include "/etc/bind/rndc.key";
ddns-domainname "dynamic.example.nl.";
ddns-rev-domainname "30.168.192.in-addr.arpa.";
option domain-name "example.nl dynamic.example.nl static.example.nl";
zone dynamic.example.nl. {
    primary 127.0.0.1;
    key rndc-key;
}

subnet 192.168.30.0 netmask 255.255.255.0 {
    range 192.168.30.100 192.168.30.240;
    option routers 192.168.30.1;
    option domain-name-servers 192.168.30.1, 8.8.8.8, 192.168.3.1;
    option netbios-name-servers 192.168.30.4;
    option ntp-servers 192.168.30.1;
    zone 30.168.192.in-addr.arpa. {
        primary 127.0.0.1;
        key rndc-key;
    }
}

host ybak {
    hardware ethernet 00:19:21:b8:fb:ec;
    fixed-address 192.168.30.2;
}

host kleur_eerste {
    hardware ethernet 00:30:6e:cd:ec:2a;
    fixed-address 192.168.30.11;
}

host draytek {
    hardware ethernet 00:50:7f:8b:41:a2;
    fixed-address 192.168.30.3;
}

host cassidy {
    hardware ethernet 00:15:17:d6:7b:4f;
    fixed-address 192.168.30.4;
}' > /etc/dhcp3/dhcpd.conf

cat /etc/dhcp3/dhcpd.conf