52ych.cn.		30 IN SOA a.ezdnscenter.com. dnsadmin.ezdnscenter.com. (
				1751342708 ; serial
				3600       ; refresh (1 hour)
				300        ; retry (5 minutes)
				1209600    ; expire (2 weeks)
				1800       ; minimum (30 minutes)
				)

52ych.cn.		30 IN A	27.54.250.36

Mail exchangers:
52ych.cn.		30 IN MX 10 mx.mail.ym.163.com.

Name servers:
52ych.cn.		30 IN NS a.ezdnscenter.com.
52ych.cn.		30 IN NS b.ezdnscenter.com.