sdm74.ru.		30 IN SOA ns1.w77.ru. root.w77.ru. (
				2009062204 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

sdm74.ru.		30 IN TXT "v=spf1 ip4:37.230.118.85 a mx ~all"

sdm74.ru.		30 IN A	37.230.118.85

Mail exchangers:
sdm74.ru.		30 IN MX 10 mx.yandex.ru.

Name servers:
sdm74.ru.		30 IN NS ns1.w77.ru.
sdm74.ru.		30 IN NS ns2.w77.ru.