Mine

option  domain-name "chezmoi.lu";
option  domain-name-servers 194.119.228.67;
default-lease-time 86000;
max-lease-time 100000;
authoritative;

        subnet 172.28.200.0 netmask 255.255.255.0 {
                range 172.28.200.50 172.28.200.254;
                option domain-name "lan.jupi.bxl.chezmoi.lu";
                option broadcast-address 172.28.200.255;
                option routers 172.28.200.1;

                host JuPiLaptop {
                        hardware ethernet 00:17:31:D6:FF:22;
                        fixed-address 172.28.200.3;
                }

                host XBOX {
                        hardware ethernet 00:50:fc:23:8b:91;
                        fixed-address 172.28.200.4;
                }
                host JuPrinter {
                        hardware ethernet 00:15:60:8C:29:A7;
                        fixed-address 172.28.200.5;
                }

                host Sego {
                        hardware ethernet 00:03:0D:4A:DA:5F;
                        fixed-address 172.28.200.25;
                }

                host gota {
                        hardware ethernet 00:C0:9F:A6:B7:12;
                        fixed-address 172.28.200.26;
                }

        }