it.			30 IN SOA dns.nic.it. hostmaster.nic.it. (
				2024111807 ; serial
				10800      ; refresh (3 hours)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

Name servers:
it.			30 IN NS r.dns.it.
it.			30 IN NS a.dns.it.
it.			30 IN NS d.dns.it.
it.			30 IN NS m.dns.it.
it.			30 IN NS nameserver.cnr.it.
it.			30 IN NS dns.nic.it.