htkk.com.vn.		30 IN SOA ns1.zonedns.vn. root.htkk.com.vn. (
				2017031806 ; serial
				1200       ; refresh (20 minutes)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

htkk.com.vn.		30 IN A	103.28.36.94

Mail exchangers:
htkk.com.vn.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.
htkk.com.vn.		30 IN MX 1 ASPMX.L.GOOGLE.COM.
htkk.com.vn.		30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.
htkk.com.vn.		30 IN MX 10 ASPMX2.GOOGLEMAIL.COM.
htkk.com.vn.		30 IN MX 10 ASPMX3.GOOGLEMAIL.COM.

Name servers:
htkk.com.vn.		30 IN NS ns2.zonedns.vn.
htkk.com.vn.		30 IN NS ns1.zonedns.vn.
htkk.com.vn.		30 IN NS ns3.zonedns.vn.