och.mn.			30 IN SOA ns4.dns.mn. chimid.ibi.mn. (
				2024121602 ; serial
				7200       ; refresh (2 hours)
				7200       ; retry (2 hours)
				172800     ; expire (2 days)
				38400      ; minimum (10 hours 40 minutes)
				)

Name servers:
och.mn.			30 IN NS ns1.dns.mn.
och.mn.			30 IN NS ns2.dns.mn.
och.mn.			30 IN NS ns3.dns.mn.
och.mn.			30 IN NS ns4.dns.mn.