10book.cn.		30 IN SOA ben.ns.cloudflare.com. dns.cloudflare.com. (
				2399995072 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

10book.cn.		30 IN A	104.21.2.102
10book.cn.		30 IN A	172.67.129.19
10book.cn.		30 IN AAAA 2606:4700:3033::ac43:8113
10book.cn.		30 IN AAAA 2606:4700:3033::6815:266

Name servers:
10book.cn.		30 IN NS ben.ns.cloudflare.com.
10book.cn.		30 IN NS indie.ns.cloudflare.com.