Registro DMARC
v=DMARC1;p=reject;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: myssp.eu
class: IN
ttl: 10800
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.oracle.com
serial: 2025062901
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 900

Información TXT
host: myssp.eu
class: IN
ttl: 10800
type: TXT
txt: v=spf1 -all
entries: Array