21ccnn.com.		30 IN SOA ns15.bigwww.com. hostmaster.hichina.com. (
				2024090313 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

21ccnn.com.		30 IN A	175.178.89.67

Mail exchangers:
21ccnn.com.		30 IN MX 5 mxbiz1.qq.com.
21ccnn.com.		30 IN MX 10 mxbiz2.qq.com.

Name servers:
21ccnn.com.		30 IN NS ns15.bigwww.com.
21ccnn.com.		30 IN NS ns16.bigwww.com.