$TTL 3D ; default expiration time 
@ IN 	SOA ns.example.com. admin.example.com. (
	1 ; Serial
	8H ; Refresh
	2H ; Retry
	4W ; Expire
	1D ) ; Minimum
@ 	IN 	NS 	ns.example.com. 	;Address of nameserver
@ 	IN 	MX 	10 mail.example.com. 	;Primary mail exchanger

www 	IN 	A 	192.168.0.101 		;Address of www.example.com
mail 	IN 	A 	192.168.0.102 		;Address of mail.example.com
ns 	IN 	A 	192.168.0.10 		;Address of ns.example.com
*.example.com.	IN 	A 	192.168.0.100 	;Address for other sub-domains