fstart.x-y.net.		30 IN SOA fstart.x-y.net. root.fstart.x-y.net. (
				1743486055 ; serial
				600        ; refresh (10 minutes)
				150        ; retry (2 minutes 30 seconds)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

fstart.x-y.net.		30 IN A	121.152.44.209

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

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