zooportal.ru.		30 IN SOA ns1.clodo.ru. list_sub.mail.ru. (
				6          ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

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

Name servers:
zooportal.ru.		30 IN NS ns2.clodo.ru.
zooportal.ru.		30 IN NS ns1.clodo.ru.