ykedu.net.		30 IN SOA dns1.ykedu.net. root.dns1.ykedu.net. (
				42         ; serial
				86400      ; refresh (1 day)
				43200      ; retry (12 hours)
				604800     ; expire (1 week)
				10800      ; minimum (3 hours)
				)

ykedu.net.		30 IN A	61.153.250.147

Mail exchangers:
ykedu.net.		30 IN MX 0 mail.ykedu.net.

Name servers:
ykedu.net.		30 IN NS dns1.ykedu.net.