o11.pl.			30 IN SOA ns1.o12.pl. admin.s9-cp.o12.pl. (
				2025101501 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

o11.pl.			30 IN TXT "v=spf1 +a +mx +ip4:77.55.252.23 +ip4:77.55.252.59
+ip4:77.55.252.79 ~all"

o11.pl.			30 IN A	77.55.252.23

Mail exchangers:
o11.pl.			30 IN MX 0 o11.pl.

Name servers:
o11.pl.			30 IN NS ns2.o12.pl.
o11.pl.			30 IN NS ns1.o12.pl.