Registro DMARC
v=DMARC1; p=reject; rua=mailto:08ed443ac47e.a@dmarcinput.com; ruf=mailto:08ed443ac47e.f@dmarcinput.com; sp=reject; fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: redcrossmail.com
class: IN
ttl: 17183
type: SOA
mname: pdns79.ultradns.com
rname: meds-it.wellsky.com
serial: 2023050507
refresh: 86400
retry: 86400
expire: 86400
minimum-ttl: 86400

Información TXT
host: redcrossmail.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array