Registro DMARC
v=DMARC1;p=reject;sp=reject;pct=100;aspf=s;adkim=s;rua=mailto:dmarc@red-gate.com;ruf=mailto:dmarc@red-gate.com;

Servidores DNS Principal (mname) y Secundario (rname)
host: schemacomparefororacle.com
class: IN
ttl: 7200
type: SOA
mname: NS91.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122100413
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: schemacomparefororacle.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 -all
entries: Array