liguria20.it.		30 IN SOA sun.csita.unige.it. adorni.unige.it. (
				2016121504 ; serial
				43200      ; refresh (12 hours)
				3600       ; retry (1 hour)
				2419200    ; expire (4 weeks)
				86400      ; minimum (1 day)
				)

Name servers:
liguria20.it.		30 IN NS sun.csita.unige.it.
liguria20.it.		30 IN NS ns2.csita.unige.it.