qtech.vn.		30 IN SOA dns3.vina-host.com. root.dns3.vina-host.vn. (
				2021092300 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

qtech.vn.		30 IN A	123.30.129.248

Mail exchangers:
qtech.vn.		30 IN MX 0 qtech.vn.

Name servers:
qtech.vn.		30 IN NS dns4.vina-host.com.
qtech.vn.		30 IN NS dns3.vina-host.com.