sporter.pl.		30 IN SOA i01.mdsoftware.pl. admin.sporter.pl. (
				2021121501 ; serial
				7200       ; refresh (2 hours)
				540        ; retry (9 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

sporter.pl.		30 IN TXT "v=spf1 mx a ~all"

sporter.pl.		30 IN A	5.196.42.172

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

Name servers:
sporter.pl.		30 IN NS i01.mdsoftware.pl.
sporter.pl.		30 IN NS i02.mdsoftware.pl.