How to setup your Plan9 machine as DNS server

At plan9, all network database contains in /lib/ndb, also DNS data.

Edit /lib/ndb/local with ed, sam or acme. Add follow lines for DNS.

dom=yourdomainname.net soa=
	refresh=3600 ttl=3600
	ns=ns.yourdomainname.net
	ns=ns.somewhere.net
	mb=your@yourdomainname.net
	mx=mx.yourdomainname.net pref=10
dom=ns.yourdomainname.net ip=10.1.1.1
cname=other.yourdomainname.net dom=real.yourdomainname.net