$TTL 3600
@	IN	SOA	in.thelinuxpro.net. hostmaster.in.thelinuxpro.net. (
			25022501	 	; serial
			21600      		; refresh after 6 hours
			3600       		; retry after 1 hour
			604800     		; expire after 1 week
			86400 )    		; minimum TTL of 1 day
;
	IN	NS	ns1.in.thelinuxpro.net.
	IN	NS	ns2.in.thelinuxpro.net.
;
51.22	IN	PTR	pi501.in.thelinuxpro.net.
52.22	IN	PTR	pi502.in.thelinuxpro.net.
53.22	IN	PTR	pi503.in.thelinuxpro.net.
54.22	IN	PTR	pi504.in.thelinuxpro.net.
61.22	IN	PTR	pi401.in.thelinuxpro.net.
11.23	IN	PTR	jenkins.in.thelinuxpro.net.
12.23	IN	PTR	git.in.thelinuxpro.net.
13.23	IN	PTR	git-mysql.in.thelinuxpro.net.
21.23	IN	PTR	docker-regsitry1.in.thelinuxpro.net.
31.23	IN	PTR	grafana.in.thelinuxpro.net.
32.23	IN	PTR	prometheus.in.thelinuxpro.net.
33.23	IN	PTR	unpoller.in.thelinuxpro.net.
34.23	IN	PTR	pihole-exporter.in.thelinuxpro.net.
35.23	IN	PTR	blackbox-exporter.in.thelinuxpro.net.
36.23	IN	PTR	nagios.in.thelinuxpro.net.
37.23	IN	PTR	nagios-db.in.thelinuxpro.net.
38.23	IN	PTR	loki.in.thelinuxpro.net.
41.23	IN	PTR	influxdb.in.thelinuxpro.net.
42.23	IN	PTR	telegraf.in.thelinuxpro.net.
43.23	IN	PTR	telegraf-syslog.in.thelinuxpro.net.
51.23	IN	PTR	syslog.in.thelinuxpro.net.
71.23	IN	PTR	es01.in.thelinuxpro.net.
72.23	IN	PTR	kibana.in.thelinuxpro.net.
73.23	IN	PTR	metricbeat01.in.thelinuxpro.net.
74.23	IN	PTR	filebeat01.in.thelinuxpro.net.
75.23	IN	PTR	logstash01.in.thelinuxpro.net.
99.23	IN	PTR	viz.in.thelinuxpro.net.
100.23	IN	PTR	random.in.thelinuxpro.net.
111.23	IN	PTR	sensors.in.thelinuxpor.net.
241.153	IN	PTR	ns1.in.thelinuxpro.net.
242.153	IN	PTR	ns2.in.thelinuxpro.net.