null-prog.ru.		30 IN SOA jeff.ns.cloudflare.com. dns.cloudflare.com. (
				2357279131 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

null-prog.ru.		30 IN A	104.21.19.96
null-prog.ru.		30 IN A	172.67.185.186
null-prog.ru.		30 IN AAAA 2606:4700:3037::ac43:b9ba
null-prog.ru.		30 IN AAAA 2606:4700:3031::6815:1360

Name servers:
null-prog.ru.		30 IN NS jeff.ns.cloudflare.com.
null-prog.ru.		30 IN NS natasha.ns.cloudflare.com.