twierdza.org.		30 IN SOA dns.home.pl. admin.home.pl. (
				1545367505 ; serial
				14400      ; refresh (4 hours)
				7200       ; retry (2 hours)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)

twierdza.org.		30 IN TXT "v=spf1 ip4:46.242.239.108 a mx"

twierdza.org.		30 IN A	46.242.239.108

Mail exchangers:
twierdza.org.		30 IN MX 10 twierdza.org.

Name servers:
twierdza.org.		30 IN NS dns2.home.pl.
twierdza.org.		30 IN NS dns3.home.pl.
twierdza.org.		30 IN NS dns.home.pl.