phpscience.ru.		30 IN SOA ns1.digitalocean.com. hostmaster.phpscience.ru. (
				1683518396 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

phpscience.ru.		30 IN A	216.239.34.21

Name servers:
phpscience.ru.		30 IN NS ns1.digitalocean.com.
phpscience.ru.		30 IN NS ns3.digitalocean.com.
phpscience.ru.		30 IN NS ns2.digitalocean.com.