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

Registro IPv4
host: mkto-sj160020.com
class: IN
ttl: 300
type: A
ip: 52.184.251.130

Servidores DNS Principal (mname) y Secundario (rname)
host: mkto-sj160020.com
class: IN
ttl: 60413
type: SOA
mname: ns1.marketo.com
rname: ops.localhost
serial: 2022042800
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 10800

Información TXT
host: mkto-sj160020.com
class: IN
ttl: 60414
type: TXT
txt: v=spf1 -all
entries: Array