ykhwong.x-y.net.	30 IN SOA ykhwong.x-y.net. root.ykhwong.x-y.net. (
				1713879939 ; serial
				600        ; refresh (10 minutes)
				150        ; retry (2 minutes 30 seconds)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

ykhwong.x-y.net.	30 IN A	121.152.44.212

Mail exchangers:
ykhwong.x-y.net.	30 IN MX 10 ykhwong.x-y.net.

Name servers:
ykhwong.x-y.net.	30 IN NS ns3.x-y.net.
ykhwong.x-y.net.	30 IN NS ns4.x-y.net.