sn1907.cn.		30 IN SOA melinda.ns.cloudflare.com. dns.cloudflare.com. (
				2373810780 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

sn1907.cn.		30 IN A	104.21.16.1
sn1907.cn.		30 IN A	104.21.112.1
sn1907.cn.		30 IN A	104.21.96.1
sn1907.cn.		30 IN A	104.21.80.1
sn1907.cn.		30 IN A	104.21.64.1
sn1907.cn.		30 IN A	104.21.48.1
sn1907.cn.		30 IN A	104.21.32.1
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:6001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:4001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:5001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:3001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:7001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:1001
sn1907.cn.		30 IN AAAA 2606:4700:3030::6815:2001

Name servers:
sn1907.cn.		30 IN NS melinda.ns.cloudflare.com.
sn1907.cn.		30 IN NS ned.ns.cloudflare.com.