internano.conf.nstu.ru.	30 IN SOA ns.internano.conf.nstu.ru. hosting.corp.nstu.ru. (
				1554806745 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				10800      ; minimum (3 hours)
				)

internano.conf.nstu.ru.	30 IN TXT "v=spf1 +a +mx -all"

internano.conf.nstu.ru.	30 IN A	217.71.131.243

Mail exchangers:
internano.conf.nstu.ru.	30 IN MX 10 mail.internano.conf.nstu.ru.

Name servers:
internano.conf.nstu.ru.	30 IN NS ns.internano.conf.nstu.ru.