kalva.pl.		30 IN SOA martin.ns.cloudflare.com. dns.cloudflare.com. (
				2399796287 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

kalva.pl.		30 IN A	172.67.218.74
kalva.pl.		30 IN A	104.21.38.30
kalva.pl.		30 IN AAAA 2606:4700:3037::ac43:da4a
kalva.pl.		30 IN AAAA 2606:4700:3037::6815:261e

Name servers:
kalva.pl.		30 IN NS martin.ns.cloudflare.com.
kalva.pl.		30 IN NS selah.ns.cloudflare.com.