zsg.edu.pl.		30 IN SOA dns.home.pl. admin.home.pl. (
				1567663807 ; serial
				14400      ; refresh (4 hours)
				7200       ; retry (2 hours)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)

zsg.edu.pl.		30 IN TXT "v=spf1 ip4:212.85.125.241 a mx -all"
zsg.edu.pl.		30 IN TXT "v=DMARC1; p=reject"

zsg.edu.pl.		30 IN A	212.85.125.241

Mail exchangers:
zsg.edu.pl.		30 IN MX 10 zsg.edu.pl.

Name servers:
zsg.edu.pl.		30 IN NS dns.home.pl.
zsg.edu.pl.		30 IN NS dns2.home.pl.
zsg.edu.pl.		30 IN NS dns3.home.pl.