sydao.net.		30 IN SOA dns.bizcn.com. dnscont.dns.bizcn.com. (
				6          ; serial
				28800      ; refresh (8 hours)
				14400      ; retry (4 hours)
				14400      ; expire (4 hours)
				3600       ; minimum (1 hour)
				)

sydao.net.		30 IN A	113.10.183.181

Mail exchangers:
sydao.net.		30 IN MX 10 mail.sydao.net.

Name servers:
sydao.net.		30 IN NS ns6.cnmsn.net.
sydao.net.		30 IN NS ns5.cnmsn.net.