dunaj.cal.pl.		30 IN SOA ns1.cal.pl. hostmaster.dunaj.cal.pl. (
				2023102400 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

dunaj.cal.pl.		30 IN TXT "v=spf1 include:spf.cal.pl a mx ip4:136.243.22.206
ip4:46.4.52.138 ip4:46.4.52.167 ip4:46.4.52.170 ip4:178.63.27.7 include:spf.cal.pl
~all"

dunaj.cal.pl.		30 IN A	178.63.16.206

Mail exchangers:
dunaj.cal.pl.		30 IN MX 10 mail.dunaj.cal.pl.

Name servers:
dunaj.cal.pl.		30 IN NS ns1.cal.pl.
dunaj.cal.pl.		30 IN NS ns2.cal.pl.