opendir.cz.		30 IN SOA ns1.thinline.cz. hostmaster.opendir.cz. (
				1533053756 ; serial
				86400      ; refresh (1 day)
				300        ; retry (5 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

opendir.cz.		30 IN A	91.239.200.61
opendir.cz.		30 IN AAAA 2a00:1ed0:2:0:1:5bef:c83d:1

Name servers:
opendir.cz.		30 IN NS ns2.thinline.cz.
opendir.cz.		30 IN NS ns3.cesky-hosting.eu.
opendir.cz.		30 IN NS ns1.thinline.cz.