1  $TTL    604800
 2  @    IN    SOA    ns1.home. admin.home. (
 3                    3        ; Serial
 4               604800        ; Refresh
 5                86400        ; Retry
 6              2419200        ; Expire
 7               604800 )    ; Negative Cache TTL
 8  
 9  ; name servers - NS records
10  @ IN NS ns1.home.
11  @ IN NS ns2.home.
12  
13  11 IN PTR hokkaido.home.
14  17 IN PTR honshu.home.
15  18 IN PTR kobe.home.
16  19 IN PTR okinawa.home.
17  70 IN PTR sakhalin.home.
18  20 IN PTR synodine.home.
19  77 IN PTR wakasu.home.
20  23 IN PTR aomi.home.
21  49 IN PTR aion.home.
22  24 IN PTR shikoku.home.
23  57 IN PTR remarkable.home.
24  15 IN PTR honshu.home.
25  182 IN PTR demeter.home.
26  182 IN PTR ns1.home.
27  183 IN PTR athena.home.
28  183 IN PTR ns2.home.
29  181 IN PTR hass.home.
30  
31  ; OpenShift VM
32  ;; Load Balancer
33  120 IN PTR vm0.home.
34  120 IN PTR api.ocp.home.
35  120 IN PTR api-int.ocp.home.
36  
37  ;; Masters
38  121 IN PTR vm1.home.
39  121 IN PTR master0.ocp.home.
40  122 IN PTR vm2.home.
41  122 IN PTR master1.ocp.home.
42  123 IN PTR vm3.home.
43  123 IN PTR master2.ocp.home.
44  
45  ;; Workers
46  124 IN PTR vm4.home.
47  124 IN PTR worker1.ocp.home.
48  125 IN PTR vm5.home.
49  125 IN PTR worker2.ocp.home.
50  126 IN PTR vm6.home.
51  126 IN PTR worker3.ocp.home.
52  127 IN PTR vm7.home.
53  127 IN PTR worker4.ocp.home.
54  128 IN PTR vm8.home.
55  128 IN PTR worker5.ocp.home.
56  
57  ;; Bootstrap machine
58  129 IN PTR vm9.home.
59  129 IN PTR bootstrap.ocp.home.
60  
61  ;; k8s nodes
62  130 IN PTR ubnt1.home.
63  131 IN PTR ubnt2.home.
64  132 IN PTR k8sn3.home.
65  130 IN PTR k8sn1.home.
66  131 IN PTR k8sn2.home.
67  132 IN PTR k8sn3.home.
68