io-t.cn.		30 IN SOA clayton.ns.cloudflare.com. dns.cloudflare.com. (
				2338452921 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

io-t.cn.		30 IN A	154.95.132.234

Name servers:
io-t.cn.		30 IN NS clayton.ns.cloudflare.com.
io-t.cn.		30 IN NS uma.ns.cloudflare.com.