$TTL	604800
@		SOA	localhost. root.localhost. (
			      1		; Serial
			 604800		; Refresh
			  86400		; Retry
			2419200		; Expire
			 604800 )	; Negative Cache TTL

; Public zone roots, mailhubs and non-CNAME services (use A)
		NS	localhost.
		MX 0	.
		SPF	"v=spf1 -all"

; External hosts (use A and TXT-wrapped CNAME or PTR)

; Public local hosts (use A)

; Public wildcards of zone roots, hosts and non-CNAME services (use A and TXT or CNAME)

; Public CNAME-mapped PTR records

; Public authentication-related (LDAP and Kerberos) records

; External services (use CNAME to local A, or A and TXT-wrapped CNAME, or CNAME if ok with partner)

; Public local services (use CNAME)

; Private zone roots, mailhubs and non-CNAME services (use A)

; Private hosts (use A)

; Private wildcards of zone roots, hosts and non-CNAME services (use CNAME)

; Private CNAME-mapped PTR records

; Private services (use CNAME)

; Private CNAME-mapped PTR records