win.pl.			30 IN SOA dns1.linuxpl.com. hostmaster.win.pl. (
				2023111600 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

win.pl.			30 IN TXT "v=spf1 a mx include:spf.linuxpl.com ip4:91.237.52.33 ~all"

win.pl.			30 IN A	91.237.52.33

Mail exchangers:
win.pl.			30 IN MX 10 mail.win.pl.

Name servers:
win.pl.			30 IN NS dns2.linuxpl.com.
win.pl.			30 IN NS dns1.linuxpl.com.