liceolugano.ch.		30 IN SOA ns1.ti-edu.ch. dns.supsi.ch. (
				13491      ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

liceolugano.ch.		30 IN TXT "v=spf1 mx -all"

Mail exchangers:
liceolugano.ch.		30 IN MX 20 l1mail.liceolugano.ch.

Name servers:
liceolugano.ch.		30 IN NS ns1.ti-edu.ch.
liceolugano.ch.		30 IN NS ns2.ti-edu.ch.