examen.su.		30 IN SOA ns1.masterhost.ru. hostmaster.masterhost.ru. (
				1681136882 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				1209600    ; expire (2 weeks)
				600        ; minimum (10 minutes)
				)

examen.su.		30 IN A	90.156.201.71

Name servers:
examen.su.		30 IN NS ns2.masterhost.ru.
examen.su.		30 IN NS ns.masterhost.ru.
examen.su.		30 IN NS ns1.masterhost.ru.