biz1.pl.		30 IN SOA ns1.biz1.pl. admin.biz1.pl. (
				2023021406 ; serial
				7200       ; refresh (2 hours)
				540        ; retry (9 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

biz1.pl.		30 IN TXT "v=spf1 mx a ~all"

biz1.pl.		30 IN A	46.171.56.254

Mail exchangers:
biz1.pl.		30 IN MX 10 mail.biz1.pl.

Name servers:
biz1.pl.		30 IN NS ns2.biz1.pl.
biz1.pl.		30 IN NS ns1.biz1.pl.