vngsm.vn.		30 IN SOA ns1.luutruso.vn. support.123host.vn. (
				2023031801 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

vngsm.vn.		30 IN A	103.255.237.173

Mail exchangers:
vngsm.vn.		30 IN MX 0 vngsm.vn.

Name servers:
vngsm.vn.		30 IN NS ns2.luutruso.vn.
vngsm.vn.		30 IN NS nsbak.luutruso.net.
vngsm.vn.		30 IN NS ns1.luutruso.vn.