troly.x-y.net.		30 IN SOA troly.x-y.net. root.troly.x-y.net. (
				1769585616 ; serial
				600        ; refresh (10 minutes)
				150        ; retry (2 minutes 30 seconds)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

troly.x-y.net.		30 IN A	121.152.44.149

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

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