idn.vn.			30 IN SOA ns1.dns.net.vn. webmaster.dns.net.vn. (
				1720596422 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				6400       ; minimum (1 hour 46 minutes 40 seconds)
				)

Name servers:
idn.vn.			30 IN NS ns3.dns.net.vn.
idn.vn.			30 IN NS ns2.dns.net.vn.
idn.vn.			30 IN NS ns1.dns.net.vn.