yar.ru.			30 IN SOA ns1.yar.ru. hostmaster.yars.free.net. (
				2024092400 ; serial
				14400      ; refresh (4 hours)
				1800       ; retry (30 minutes)
				1814400    ; expire (3 weeks)
				900        ; minimum (15 minutes)
				)

yar.ru.			30 IN TXT "v=spf1 a mx ptr a:h1.netis.ru a:univ.uniyar.ac.ru a:bbox1.yar.ru
a:bbox2.yar.ru ~all"

Mail exchangers:
yar.ru.			30 IN MX 10 mail.yar.ru.

Name servers:
yar.ru.			30 IN NS ns3.yar.ru.
yar.ru.			30 IN NS ns1.yar.ru.