Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: astra-defense.com
class: IN
ttl: 7200
type: A
ip: 209.17.116.160

Servidores DNS Principal (mname) y Secundario (rname)
host: astra-defense.com
class: IN
ttl: 7200
type: SOA
mname: NS9.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124070300
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: astra-defense.com
class: IN
ttl: 900
type: MX
pri: 10
target: mail.protonmail.ch

Servidor de Correo
host: astra-defense.com
class: IN
ttl: 900
type: MX
pri: 20
target: mailsec.protonmail.ch

Información TXT
host: astra-defense.com
class: IN
ttl: 900
type: TXT
txt: protonmail-verification=882fb51fcd695b08b09a126859b74e4eef881fb4
entries: Array

Información TXT
host: astra-defense.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:_spf.protonmail.ch ~all
entries: Array