airchinagroup.com.	30 IN SOA cl1.sfndns.cn. mail.sfn.cn. (
				2024011223 ; serial
				172800     ; refresh (2 days)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				7200       ; minimum (2 hours)
				)

Name servers:
airchinagroup.com.	30 IN NS cl1.sfndns.com.
airchinagroup.com.	30 IN NS cl1.sfndns.cn.
airchinagroup.com.	30 IN NS cl2.sfndns.cn.
airchinagroup.com.	30 IN NS vip2.sfndns.cn.
airchinagroup.com.	30 IN NS vip1.sfndns.cn.
airchinagroup.com.	30 IN NS cl2.sfndns.com.