tangthuvien.vn.		30 IN SOA arch.ns.cloudflare.com. dns.cloudflare.com. (
				2357826543 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

tangthuvien.vn.		30 IN A	210.211.121.1

Name servers:
tangthuvien.vn.		30 IN NS arch.ns.cloudflare.com.
tangthuvien.vn.		30 IN NS priscilla.ns.cloudflare.com.