gruppodarco.coop.	30 IN SOA ns1.open-desk.it. postmaster.ns1.open-desk.it. (
				2018030100 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

Name servers:
gruppodarco.coop.	30 IN NS ns2.open-desk.it.
gruppodarco.coop.	30 IN NS ns1.open-desk.it.