demo4.ru.		30 IN SOA ns1.hm.plus. dns.hm.plus. (
				2123773155 ; serial
				900        ; refresh (15 minutes)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

demo4.ru.		30 IN A	78.111.82.179

Mail exchangers:
demo4.ru.		30 IN MX 20 mx2.hm.plus.

Name servers:
demo4.ru.		30 IN NS ns4.hm.plus.
demo4.ru.		30 IN NS ns1.hm.plus.
demo4.ru.		30 IN NS ns2.hm.plus.
demo4.ru.		30 IN NS ns3.hm.plus.