siom.ac.cn.		30 IN SOA ns.zknic.cn. root.server.shcnc.ac.cn. (
				2024121101 ; serial
				10800      ; refresh (3 hours)
				36000      ; retry (10 hours)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)

siom.ac.cn.		30 IN TXT "v=spf1 include:spf.mail.cstnet.cn -all"

siom.ac.cn.		30 IN A	210.72.9.5

Mail exchangers:
siom.ac.cn.		30 IN MX 0 mx.cstnet.cn.

Name servers:
siom.ac.cn.		30 IN NS server.shcnc.ac.cn.