pb.cz.			3599 IN	SOA ns1.internetpb.cz. hostmaster.pb.cz. (
				2019120300 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

pb.cz.			3599 IN	A 109.72.0.11

Mail exchangers:
pb.cz.			3599 IN	MX 100 devil.pb.cz.
pb.cz.			3599 IN	MX 200 smx.pb.cz.

Name servers:
pb.cz.			3599 IN	NS ns2.internetpb.cz.
pb.cz.			3599 IN	NS ns1.internetpb.cz.