formulas.it.		30 IN SOA dns.technorail.com. hostmaster.formulas.it. (
				2025110401 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				2592000    ; expire (4 weeks 2 days)
				3600       ; minimum (1 hour)
				)

formulas.it.		30 IN TXT "v=spf1 include:_spf.aruba.it ~all"

formulas.it.		30 IN A	31.11.36.8
formulas.it.		30 IN AAAA 2a00:6d40:4:1::c321:8

Mail exchangers:
formulas.it.		30 IN MX 10 mx.formulas.it.

Name servers:
formulas.it.		30 IN NS dns.technorail.com.
formulas.it.		30 IN NS dns2.technorail.com.
formulas.it.		30 IN NS dns4.arubadns.cz.
formulas.it.		30 IN NS dns3.arubadns.net.