Registro DMARC
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: mybakerportal.com
class: IN
ttl: 3600
type: SOA
mname: ns1.bakerlaw.com
rname: dgray.bakerlaw.com
serial: 2023072406
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

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