cnt.es.			30 IN SOA pns11.cloudns.net. hola.estudionexos.com. (
				2026011401 ; serial
				7200       ; refresh (2 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

cnt.es.			30 IN TXT "v=spf1 include:_spf.mailersend.net a mx ip4:116.203.66.73
ip4:91.107.217.140 include:spf.mtasv.net include:eu.mailgun.org -all"

cnt.es.			30 IN A	116.203.66.73

Mail exchangers:
cnt.es.			30 IN MX 10 mx1.cnt.es.

Name servers:
cnt.es.			30 IN NS pns12.cloudns.net.
cnt.es.			30 IN NS pns13.cloudns.net.
cnt.es.			30 IN NS pns11.cloudns.net.
cnt.es.			30 IN NS pns14.cloudns.net.