Dnsmasq settings

domain=wiwynn.com

##Random IP
#dhcp-range=172.16.0.201,172.16.0.300

##Only static IP
dhcp-range=172.16.0.0,static

##Router
#dhcp-option=3,172.16.0.1
dhcp-option=option:router,172.16.0.1

##Name server
#dhcp-option=6,172.16.0.1
dhcp-option=option:dns-server,172.16.0.1

##NTP server
#dhcp-option=42,172.16.0.1
dhcp-option=option:ntp-server,172.16.0.1

dhcp-lease-max=1000
dhcp-authoritative

##Bootp
dhcp-boot=pxelinux.0,172.16.0.1

##Static IP and hostname to MAC address
dhcp-host=00:26:2d:09:5e:c6,172.16.0.101,juju1

##Forward domain archive.ubuntu.com query to 8.8.8.8
server=/archive.ubuntu.com/8.8.8.8

##Bind all host in main.wiwynn.com to 172.16.0.1
address=/main.wiwynn.com/172.16.0.1

Check option parameter:
sudo dnsmasq --help dhcp