adcon.es.		30 IN SOA ns1.dondominio.com. dnsadmin.dondominio.com. (
				2021121701 ; serial
				10800      ; refresh (3 hours)
				1800       ; retry (30 minutes)
				691200     ; expire (1 week 1 day)
				3600       ; minimum (1 hour)
				)

adcon.es.		30 IN TXT "v=spf1 include:spf.adcon.es"

adcon.es.		30 IN A	213.37.1.227

Mail exchangers:
adcon.es.		30 IN MX 20 mail.adcon.es.

Name servers:
adcon.es.		30 IN NS ns2.dondominio.com.
adcon.es.		30 IN NS ns1.dondominio.com.