how to create one dns for two network
i have four machine network .two machine having 172.18.0.0/24 network and
other two having 10.114.12.0/24.
i want to create one dns for both above network.so i have install bind9 on one machine(whose ip address is 10.114.12.26).
i want to create zones file ,named.conf,named.conf.local and named.conf.option.
i know all steps of creating zones for one single network,but here i am having two network so i am confuse where and what to update so this same dns will work for both network.
i have search on internet but all mostly having creation of dns for single network.
plz help me....