Registro DMARC
v=DMARC1;p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: guudwuud.com
class: IN
ttl: 7200
type: SOA
mname: domaintegrity.mars.orderbox-dns.com
rname: eagleprestigehlds.gmail.com
serial: 2025081306
refresh: 7200
retry: 7200
expire: 172800
minimum-ttl: 38400

Información TXT
host: guudwuud.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a mx include:_spf.elasticemail.com
entries: Array