s2u.vn.			30 IN SOA alex.ns.cloudflare.com. dns.cloudflare.com. (
				2337781889 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

s2u.vn.			30 IN TXT
"google-site-verification=-sCvRsnYZ7WZptjUsiJdV1UOcOm1QIiEtI4zfz8F-Og"
s2u.vn.			30 IN TXT "v=spf1 include:servers.mcsv.net ?all"

s2u.vn.			30 IN A	103.221.221.20

Mail exchangers:
s2u.vn.			30 IN MX 10 aspmx.l.google.com.
s2u.vn.			30 IN MX 20 alt1.aspmx.l.google.com.
s2u.vn.			30 IN MX 30 alt2.aspmx.l.google.com.
s2u.vn.			30 IN MX 30 aspmx2.googlemail.com.
s2u.vn.			30 IN MX 30 aspmx3.googlemail.com.
s2u.vn.			30 IN MX 30 aspmx4.googlemail.com.
s2u.vn.			30 IN MX 30 aspmx5.googlemail.com.

Name servers:
s2u.vn.			30 IN NS alex.ns.cloudflare.com.
s2u.vn.			30 IN NS kara.ns.cloudflare.com.