nstrefa.pl.		30 IN SOA ns1.netmark.pl. firma.netmark.pl. (
				2024040101 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

nstrefa.pl.		30 IN A	31.186.82.193

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

Name servers:
nstrefa.pl.		30 IN NS ns1.netmark.pl.
nstrefa.pl.		30 IN NS ns2.netmark.pl.