tutbk.ru.		30 IN SOA buck.ns.cloudflare.com. dns.cloudflare.com. (
				2357156083 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

tutbk.ru.		30 IN A	104.21.28.190
tutbk.ru.		30 IN A	172.67.147.81
tutbk.ru.		30 IN AAAA 2606:4700:3030::ac43:9351
tutbk.ru.		30 IN AAAA 2606:4700:3036::6815:1cbe

Name servers:
tutbk.ru.		30 IN NS buck.ns.cloudflare.com.
tutbk.ru.		30 IN NS gracie.ns.cloudflare.com.