madridbusiness.es.	30 IN SOA ns1.synergo.es. hostmaster.madridbusiness.es. (
				2023121101 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

madridbusiness.es.	30 IN TXT "v=spf1 a mx ip4:164.138.208.110 -all"

madridbusiness.es.	30 IN A	164.138.208.110

Mail exchangers:
madridbusiness.es.	30 IN MX 10 mail.madridbusiness.es.

Name servers:
madridbusiness.es.	30 IN NS ns1.synergo.es.
madridbusiness.es.	30 IN NS ns2.synergo.es.