stavsu.ru.		30 IN SOA ns1.ncfu.ru. support.estav.ru. (
				2015082600 ; serial
				600        ; refresh (10 minutes)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				300        ; minimum (5 minutes)
				)

stavsu.ru.		30 IN TXT "v=spf1 ip4:62.76.116.0/26 ip4:195.209.245.0/27
ip4:195.209.244.0/26 ip4:194.242.4.0/23 mx ~all"

stavsu.ru.		30 IN A	195.209.244.30

Mail exchangers:
stavsu.ru.		30 IN MX 10 mx.stavsu.ru.

Name servers:
stavsu.ru.		30 IN NS ns2.estav.ru.
stavsu.ru.		30 IN NS ns1.ncfu.ru.