pb.cz.			30 IN SOA ns1.internetpb.cz. hostmaster.pb.cz. (
				2024041301 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

pb.cz.			30 IN TXT "v=spf1 a mx include:_spf.pb.cz include:_spf.google.com
include:spf.protection.outlook.com include:_spf.centrum.cz +all"

pb.cz.			30 IN A	109.72.0.11

Mail exchangers:
pb.cz.			30 IN MX 200 smx.pb.cz.
pb.cz.			30 IN MX 100 devil.pb.cz.

Name servers:
pb.cz.			30 IN NS ns1.internetpb.cz.
pb.cz.			30 IN NS ns2.internetpb.cz.