Example hosts Files
The following code examples show db.doc and db.sales files for the two primary servers on the two networks.
Example 13-16 Example db.doc File for dnsmastr server
; SOA rec
doc.com. IN SOA sirius.doc.com. sysop.centauri.doc.com. (
19970332 ; serial number
10800 ; refresh every 3 hours
10800 ; retry every 3 hours
604800 ; expire after a week
86400 ) ; TTL of 1 day
; Name Servers
doc.com. IN NS sirius.doc.com.
sales.doc.com. IN NS altair.sales.doc.com.
; Addresses
localhost IN A 127.0.0.1
sirius IN A 123.45.6.1
rigel IN A 123.45.6.112
antares IN A 123.45.6.90
polaris IN A 123.45.6.101
procyon IN A 123.45.6.79
tauceti IN A 123.45.6.69
altair.sales.doc.com. IN A 111.22.3.4
; aliases
dnsmastr IN CNAME sirius.doc.com.
dnssecond.doc.com IN CNAME deneb.doc.com
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Example 13-17 Example db.sales File for dnssales server
; SOA rec
sales.doc.com. IN SOA altair.sales.doc.com. sysop.polaris.doc.com. (
19970332 ; serial number
10800 ; refresh every 3 hours
10800 ; retry every 3 hours
604800 ; expire after a week
86400 ) ; TTL of 1 day
; Name Servers
doc.com. IN NS sirius.doc.com.
sales.doc.com. IN NS altair.sales.doc.com.
; Addresses
altair IN A 111.22.3.4
localhost IN A 127.0.0.1
sirius.doc.com. IN A 123.45.6.1
luna IN A 192.168.8.22
phoebus IN A 192.168.8.24
deimos IN A 192.168.8.25
ganymede IN A 192.168.8.27
europa IN A 192.168.8.28
callisto IN A 192.168.8.29
;
; aliases
dnssales.sales.doc.com IN CNAME altair.sales.doc.com
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