openapp.net.cn.		30 IN SOA cass.ns.cloudflare.com. dns.cloudflare.com. (
				2389697690 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

openapp.net.cn.		30 IN A	172.67.174.113
openapp.net.cn.		30 IN A	104.21.55.237
openapp.net.cn.		30 IN AAAA 2a06:98c1:3120::
openapp.net.cn.		30 IN AAAA 2a06:98c1:3121::

Name servers:
openapp.net.cn.		30 IN NS cass.ns.cloudflare.com.
openapp.net.cn.		30 IN NS vasilii.ns.cloudflare.com.