duytan.edu.vn.		30 IN SOA ns1.duytan.edu.vn. htsung.duytan.edu.vn. (
				2015120901 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				38400      ; minimum (10 hours 40 minutes)
				)

duytan.edu.vn.		30 IN TXT "v=spf1 include:_spf.google.com ~all"
duytan.edu.vn.		30 IN TXT
"_globalsign-domain-verification=Y6iLPZ2WAW7b0NAB_iKd87OqdkCxIOSH6S1LP_H6q6"
duytan.edu.vn.		30 IN TXT
"google-site-verification=R8-zY7RD7xx_F0w6KZdHfuYlWRvfy3hOHah_Op2C_yc"

duytan.edu.vn.		30 IN A	103.7.177.36

Mail exchangers:
duytan.edu.vn.		30 IN MX 10 ASPMX2.GOOGLEMAIL.COM.
duytan.edu.vn.		30 IN MX 10 ASPMX3.GOOGLEMAIL.COM.
duytan.edu.vn.		30 IN MX 10 ASPMX4.GOOGLEMAIL.COM.
duytan.edu.vn.		30 IN MX 10 ASPMX5.GOOGLEMAIL.COM.
duytan.edu.vn.		30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.
duytan.edu.vn.		30 IN MX 1 ASPMX.L.GOOGLE.COM.
duytan.edu.vn.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.

Name servers:
duytan.edu.vn.		30 IN NS ns1.duytan.edu.vn.
duytan.edu.vn.		30 IN NS ns2.duytan.edu.vn.
duytan.edu.vn.		30 IN NS ns3.duytan.edu.vn.