$TTL 1D
@	IN SOA	192-168-32. root.192-168-32. (
					0	; serial
					1D	; refresh
					1H	; retry
					1W	; expire
					3H )	; minimum
	IN	NS	raspberrypi.192-168-32.
13	IN	PTR	b85mg_CentOs83x64_d1.192-168-32.
14	IN	PTR	b85mg_CentOs83x64_d2.192-168-32.
15	IN	PTR	b85mg_CentOs83x64_d3.192-168-32.
16	IN	PTR	b85CentOs69x32d1.192-168-32.
17	IN	PTR	b85CentOs69x32d2.192-168-32.
18	IN	PTR	b85CentOs69x64d1.192-168-32.
19	IN	PTR	b85CentOs69x64d2.192-168-32.
21	IN	PTR	optiplex5040_CentOs83x64_d1.192-168-32.
22	IN	PTR	optiplex5040_CentOs83x64_d2.192-168-32.
23	IN	PTR	optiplex5040_CentOs83x64_d3.192-168-32.
24	IN	PTR	optiplex5040_CentOs69x32_d1.192-168-32.
25	IN	PTR	optiplex5040_CentOs69x32_d2.192-168-32.
26	IN	PTR	optiplex5040_CentOs69x32_d3.192-168-32.
27	IN	PTR	optiplex5040_CentOs76x64_d2.192-168-32.
28	IN	PTR	optiplex5040_CentOs77x64_d1.192-168-32.
29	IN	PTR	optiplex5040_CentOs76x64_dev.192-168-32.