tomkren.cz.		30 IN SOA ns1.digitalocean.com. hostmaster.tomkren.cz. (
				1504992439 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

tomkren.cz.		30 IN A	139.59.214.146

Name servers:
tomkren.cz.		30 IN NS ns3.digitalocean.com.
tomkren.cz.		30 IN NS ns2.digitalocean.com.
tomkren.cz.		30 IN NS ns1.digitalocean.com.