sdinfo.net.		30 IN SOA jn-dns2.sd.cninfo.net. root.jn-dns2.sd.cninfo.net. (
				101519     ; serial
				28801      ; refresh (8 hours 1 second)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

sdinfo.net.		30 IN TXT "v=spf1 ip4:111.202.245.115 ip4:111.202.245.116
ip4:111.202.245.117 ip4:111.202.245.118 include:spf.icoremail.net -all"

Mail exchangers:
sdinfo.net.		30 IN MX 10 tz.mail.wo.cn.
sdinfo.net.		30 IN MX 5 o.mail.wo.cn.

Name servers:
sdinfo.net.		30 IN NS jn-dns2.sd.cninfo.net.