prof-detector.ru.	30 IN SOA jakub.ns.cloudflare.com. dns.cloudflare.com. (
				2335948419 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

prof-detector.ru.	30 IN A	104.21.43.105
prof-detector.ru.	30 IN A	172.67.178.35
prof-detector.ru.	30 IN AAAA 2606:4700:3030::ac43:b223
prof-detector.ru.	30 IN AAAA 2606:4700:3031::6815:2b69

Name servers:
prof-detector.ru.	30 IN NS jakub.ns.cloudflare.com.
prof-detector.ru.	30 IN NS susan.ns.cloudflare.com.