lightning.cz.		30 IN SOA ns.gransy.com. root.gransy.com. (
				2753254352 ; serial
				86400      ; refresh (1 day)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				1800       ; minimum (30 minutes)
				)

lightning.cz.		30 IN A	46.28.107.175
lightning.cz.		30 IN AAAA 2a02:2b88:2:2::3a40:2

Name servers:
lightning.cz.		30 IN NS ns5.gransy.com.
lightning.cz.		30 IN NS ns3.gransy.com.
lightning.cz.		30 IN NS ns2.gransy.com.
lightning.cz.		30 IN NS ns4.gransy.com.
lightning.cz.		30 IN NS ns.gransy.com.