cn.com.			30 IN SOA ns0.centralnic.net. hostmaster.centralnic.net. (
				3000558936 ; serial
				900        ; refresh (15 minutes)
				1800       ; retry (30 minutes)
				6048000    ; expire (10 weeks)
				3600       ; minimum (1 hour)
				)

cn.com.			30 IN TXT "v=spf1 -all"

cn.com.			30 IN A	54.153.56.183

Mail exchangers:
cn.com.			30 IN MX 0 .

Name servers:
cn.com.			30 IN NS ns1.centralnic.net.
cn.com.			30 IN NS ns2.centralnic.net.
cn.com.			30 IN NS ns3.centralnic.net.
cn.com.			30 IN NS ns4.centralnic.net.