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

Registro IPv4
host: tunnelfp.com
class: IN
ttl: 600
type: A
ip: 185.192.112.55

Servidores DNS Principal (mname) y Secundario (rname)
host: tunnelfp.com
class: IN
ttl: 600
type: SOA
mname: ns81.radcom.hosting
rname: ghbn1362.yahoo.com
serial: 1729681847
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: tunnelfp.com
class: IN
ttl: 600
type: MX
pri: 10
target: mail.tunnelfp.com

Información TXT
host: tunnelfp.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 +a +mx +a:ws255.radcom.hosting -all
entries: Array