netvisao.pt.		30 IN SOA ns.netvisao.pt. root.netvisao.pt. (
				2018041604 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

netvisao.pt.		30 IN TXT "v=spf1 ip4:213.228.128.0/22 mx ?all"

netvisao.pt.		30 IN A	213.228.128.78

Mail exchangers:
netvisao.pt.		30 IN MX 10 relay.netvisao.pt.

Name servers:
netvisao.pt.		30 IN NS ns2.netvisao.pt.
netvisao.pt.		30 IN NS ns.netvisao.pt.