Additional MX records for a specific IP

Mail to user@cybernex.com will go to server mail.cybernex.com
Mail to user@host004.cybernex.com will go to server mail.stanford.com

; $Id: template.0,v 1.11 1997/05/07 17:19:42 chuck Exp $
;
; Resource Record for domain cybernex.com
;
@       IN  SOA zeus.geo.net. dns.geo.net. (
                199708210       ; Serial Number: YYYYMMDD#
                10800           ; Refresh every 3 hours
                1800            ; Retry every 30 minutes
                604800          ; Expire in 7 days
                86400 )         ; Default/Minimum TTL: 1 day

; Name Servers
               IN NS   ns1.geo.net.
               IN NS   ns2.geo.net.
 
; Master A record and MX records
               IN A    x.x.x.2
               IN MX   10 mail.cybernex.com.
               IN MX   50 mail1.geo.net.

; Machines in domain
localhost      IN A    127.0.0.1

NETWORK        IN A    x.x.x.0
host001        IN A    x.x.x.1
host002        IN A    x.x.x.2
host003        IN A    x.x.x.3
host004        IN A    x.x.x.4
	       IN MX   10 mail.stanford.com.
               IN MX   50 mail1.geo.net.
host005        IN A    x.x.x.5
host006        IN A    x.x.x.6
host007        IN A    x.x.x.7
host008        IN A    x.x.x.8
host009        IN A    x.x.x.9
host010        IN A    x.x.x.10

Suggestions... Send to: chuck@skunk.net