na12.pl.		30 IN SOA ns1.na12.pl. admin.na12.pl. (
				2021011505 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

na12.pl.		30 IN TXT "v=spf1 a mx ptr ip4:89.174.5.0/24 ip4:217.153.109.48/29
ip4:217.153.109.42 -all"

na12.pl.		30 IN A	93.157.96.204

Mail exchangers:
na12.pl.		30 IN MX 0 mx-na12-admin.ogicom.pl.

Name servers:
na12.pl.		30 IN NS ns2.na12.pl.
na12.pl.		30 IN NS ns1.na12.pl.