gsm.vn.			30 IN SOA ns1.dotvndns.vn. hostmaster.gsm.vn. (
				2018041919 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

gsm.vn.			30 IN TXT
"google-site-verification=36KQyaIeRJPOzPuT6pyuLWJnfPeS_iFlY2rHEBQ36E8"

gsm.vn.			30 IN A	103.53.171.72

Mail exchangers:
gsm.vn.			30 IN MX 30 aspmx3.googlemail.com.
gsm.vn.			30 IN MX 20 alt1.aspmx.l.google.com.
gsm.vn.			30 IN MX 30 aspmx4.googlemail.com.
gsm.vn.			30 IN MX 30 aspmx5.googlemail.com.
gsm.vn.			30 IN MX 20 alt2.aspmx.l.google.com.
gsm.vn.			30 IN MX 10 aspmx.l.google.com.
gsm.vn.			30 IN MX 30 aspmx2.googlemail.com.

Name servers:
gsm.vn.			30 IN NS ns1.dotvndns.vn.
gsm.vn.			30 IN NS nsbak.dotvndns.com.
gsm.vn.			30 IN NS ns2.dotvndns.vn.