backlink.com.vn.	30 IN SOA john.ns.cloudflare.com. dns.cloudflare.com. (
				2406551675 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

backlink.com.vn.	30 IN A	104.21.96.146
backlink.com.vn.	30 IN A	172.67.182.212
backlink.com.vn.	30 IN AAAA 2606:4700:3033::ac43:b6d4
backlink.com.vn.	30 IN AAAA 2606:4700:3037::6815:6092

Name servers:
backlink.com.vn.	30 IN NS john.ns.cloudflare.com.
backlink.com.vn.	30 IN NS marjory.ns.cloudflare.com.