2a.pl.			30 IN SOA dns.2a.pl. hostmaster.2a.pl. (
				2020062401 ; serial
				10800      ; refresh (3 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

2a.pl.			30 IN TXT "v=spf1 mx ~all"

2a.pl.			30 IN A	195.117.102.3

Mail exchangers:
2a.pl.			30 IN MX 30 shark3.2a.pl.
2a.pl.			30 IN MX 20 shark.2a.pl.
2a.pl.			30 IN MX 10 mail.2a.pl.

Name servers:
2a.pl.			30 IN NS dns.2a.pl.
2a.pl.			30 IN NS dns1.2a.pl.
2a.pl.			30 IN NS dns3.2a.pl.