January 01, 2002
Load Balancing Your Web Site (Web Techniques, May 1998)
1 ;;
2 ;; db.foo.rr -- BIND DNS zone file for the rr.foo.dom domain
3 ;;
4
5 ;;
6 ;; the start of authority (SOA) resource record which
7 ;; forces a minimal time-to-live (TTL) for this zone file
8 ;;
9 @ IN SOA world.foo.dom. root.world.foo.dom. (
10 1998021501 ; SERIAL
11 3600 ; REFRESH: Secondaries refresh after 1 hour
12 600 ; RETRY: Secondaries retry after 10 minutes
13 3600 ; EXPIRE: Maximum TTL of Data is 1 hour
14 1800 ; MINTTL: Minimum TTL of Data is 30 minutes
15 )
16
17 IN NS world.foo.dom.
18
19 ;;
20 ;; the multiple canonical name (CNAME) resource record
21 ;; which implies BIND's Round-Robin (RR) feature
22 ;;
23 www IN CNAME www1.rr.foo.dom.
24 IN CNAME www2.rr.foo.dom.
25 IN CNAME www3.rr.foo.dom.
26 IN CNAME www4.rr.foo.dom.
27 IN CNAME www5.rr.foo.dom.
28 IN CNAME www6.rr.foo.dom.
29
30 ;;
31 ;; the address (A) resource records for the
32 ;; final NAME -> IP mapping
33 ;;
34 www1 IN A 192.168.1.1
35 www2 IN A 192.168.1.2
36 www3 IN A 192.168.1.3
37 www4 IN A 192.168.1.4
38 www5 IN A 192.168.1.5
39 www6 IN A 192.168.1.6
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