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1view "INTERNAL" {
2    match-clients { 192.168.1.0/24; };
3    server 192.168.1.11 { keys INTERNAL; };
4    server 192.168.1.12 { keys INTERNAL; };
5    zone "example1.com." in {
6        type slave;
7        file "slaves/example1.com.internal";
8        masters { 192.168.1.11 key "INTERNAL";
9                  192.168.1.12 key "INTERNAL";
10        };
11
12        allow-notify {  192.168.1.11;
13                        192.168.1.12;
14        };
15        transfer-source 192.168.1.13;
16
17        multi-master yes;
18
19    };
20};