cnv.vn.			30 IN SOA ns1.dnscnv.com. admin.matbao.com. (
				2025010601 ; serial
				18000      ; refresh (5 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

cnv.vn.			30 IN TXT "v=spf1 include:_spf.google.com ~all"

cnv.vn.			30 IN A	172.188.90.231

Mail exchangers:
cnv.vn.			30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.
cnv.vn.			30 IN MX 10 ALT4.ASPMX.L.GOOGLE.COM.
cnv.vn.			30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.
cnv.vn.			30 IN MX 1 ASPMX.L.GOOGLE.COM.
cnv.vn.			30 IN MX 10 ALT3.ASPMX.L.GOOGLE.COM.

Name servers:
cnv.vn.			30 IN NS ns2.dnscnv.com.
cnv.vn.			30 IN NS ns1.dnscnv.com.