OL6 :: DNS :: db.example

$TTL 3H
@		IN SOA	@ dnsmaster (
					1806010000	; serial (2018/jun/01, 00:00)
					1D	    	; refresh
					1H	    	; retry
					1W	    	; expire
					3H )		; minimum TTL

;
; Nameserver
;
		NS	xulin
        MX  0 gate
        MX  5 gatebk
        CNAME www
;
; Database
;
xulin	IN A 192.0.2.100 ; "Glue" record

host1   IN A 192.0.2.151
www		IN A 1.2.3.4
ftp 600 IN CNAME xulin
nfs     IN CNAME xulin
gate    IN A 192.0.2.254
        IN A 10.0.0.254
gatebk  IN A 192.0.2.200
rr   60 IN A 172.16.31.100
     60 IN A 172.16.31.101
;