ivcrn.cz.		30 IN SOA alan.ns.cloudflare.com. dns.cloudflare.com. (
				2339618642 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

ivcrn.cz.		30 IN A	188.114.96.0
ivcrn.cz.		30 IN A	188.114.97.0
ivcrn.cz.		30 IN AAAA 2a06:98c1:3121::
ivcrn.cz.		30 IN AAAA 2a06:98c1:3120::

Name servers:
ivcrn.cz.		30 IN NS alan.ns.cloudflare.com.
ivcrn.cz.		30 IN NS nelci.ns.cloudflare.com.