eu20.es.		30 IN SOA ns1.36.17.20. amarin.seosem.es. (
				2024040601 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

eu20.es.		30 IN TXT "v=spf1 +a +mx +ip4:193.180.115.12 +ip4:192.36.17.20
+ip4:193.234.199.243 ~all"

eu20.es.		30 IN A	193.234.199.243

Mail exchangers:
eu20.es.		30 IN MX 0 eu20.es.

Name servers:
eu20.es.		30 IN NS ns2.36.17.20.
eu20.es.		30 IN NS ns1.36.17.20.