Registro DMARC
v=spf1 -all

Registro IPv4
host: american.coop
class: IN
ttl: 3600
type: A
ip: 52.213.114.86

Servidores DNS Principal (mname) y Secundario (rname)
host: american.coop
class: IN
ttl: 3600
type: SOA
mname: suspended.mydomainprovider.com
rname: hostmaster.mydomainprovider.com
serial: 2020010101
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: american.coop
class: IN
ttl: 3600
type: MX
pri: 0
target: localhost

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