test.conf

authoritative;

ddns-updates on;
ddns-update-style interim;
ddns-rev-domainname "in-addr.arpa.";

option domain-name-servers 8.8.8.8; 
option ntp-servers us.pool.ntp.org;

ignore client-updates;
update-static-leases on;
use-host-decl-names on;

subnet 192.168.30.0 netmask 255.255.255.0 {
  pool
  {
    range 192.168.30.10 192.168.30.50;
  }

  option subnet-mask 255.255.255.0;
  option routers 192.168.30.1;
}