         zach.net,
   .     ()   -
.       /etc/hosts  ,  -
   DNS-,     .  DNS  -
 /etc/hosts,     hosts   /etc/nsswitch.conf (.
 "nsswitch.conf:    "  11).

$ cat local.net

; zach.net local zone file

'i

$TTL    3D

@       IN     SOA    ns.zach.net. mgs@sobell.com. (

200311118      ; serial

8H             ; refresh

2H             ; retry

4H             ; expire

ID )           ; minimum

IN      TXT    "Sobell Associates Inc."
IN      NS     ns         ; Nameserver address (unqualified)

(   ())
IN      NS     ns.speedy.net.; Nameserver address (qualified)

   ())

IN      MX     10 mail    ; Mail exchange (primary/unqualified)
(  

(/))

IN      MX     20 mail.max.net.; Mail exchange (2nd/qualified)
(  
(/))

www    IN      CNAME ns
ftp    IN      CNAME ns
mail   IN      CNAME ns

ns     IN      A      192.168.0.1
IN      A      192.168.0.6
IN      MX     10 mail
IN      MX     20 mail.max.net.

speedy IN      A      192.168.0.1
grape IN      A      192.168.0.3
potato IN      A      192.168.0.4
peach IN      A      192.168.0.6

$ cat public.net

; zach.net public zone file                 (   zach.net)

$TTL   3D
@      IN      SOA   ns.zach.net. mgs@sobell.com. (

200311118       ; serial

8H              ; refresh

2H              ; retry

4W              ; expire

ID )            ; minimum

 24. DNS/BIND:                           753