stu.ru.			30 IN SOA mail2.stu.ru. noc.stu.ru. (
				2024101302 ; serial
				21600      ; refresh (6 hours)
				3600       ; retry (1 hour)
				2592000    ; expire (4 weeks 2 days)
				86400      ; minimum (1 day)
				)

stu.ru.			30 IN TXT "MS=ms83462274"
stu.ru.			30 IN TXT "v=spf1" "ip4:81.1.243.0/24" "~all"

stu.ru.			30 IN A	81.1.243.148

Mail exchangers:
stu.ru.			30 IN MX 10 smtp.stu.ru.

Name servers:
stu.ru.			30 IN NS ns3.stu.ru.
stu.ru.			30 IN NS ns2.stu.ru.
stu.ru.			30 IN NS ns4.stu.ru.
stu.ru.			30 IN NS ns.stu.ru.