hydrogen.ru.		30 IN SOA ns3-l2.nic.ru. dns.nic.ru. (
				2015113010 ; serial
				1440       ; refresh (24 minutes)
				3600       ; retry (1 hour)
				2592000    ; expire (4 weeks 2 days)
				600        ; minimum (10 minutes)
				)

hydrogen.ru.		30 IN TXT "v=spf1 redirect=_spf.yandex.net"

hydrogen.ru.		30 IN A	5.227.170.128

Mail exchangers:
hydrogen.ru.		30 IN MX 10 mx.yandex.net.

Name servers:
hydrogen.ru.		30 IN NS ns3-l2.nic.ru.
hydrogen.ru.		30 IN NS ns4-l2.nic.ru.
hydrogen.ru.		30 IN NS ns8-l2.nic.ru.