Registro DMARC
v=DMARC1;p=reject;rua=mailto:k8adtpzu@ag.eu.dmarcadvisor.com;ruf=mailto:dmarc_ruf@euroclear.com

Servidores DNS Principal (mname) y Secundario (rname)
host: euroclearbank.com
class: IN
ttl: 3600
type: SOA
mname: auth00.euroclear.com
rname: eg_network_engineering.euroclear.com
serial: 84
refresh: 10800
retry: 3600
expire: 2592000
minimum-ttl: 900

Información TXT
host: euroclearbank.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array