Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@cfd-online.com; ruf=mailto:postmaster@cfd-online.com; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none

Registro IPv4
host: cfd-online.com
class: IN
ttl: 46330
type: A
ip: 148.251.250.42

Servidores DNS Principal (mname) y Secundario (rname)
host: cfd-online.com
class: IN
ttl: 2021
type: SOA
mname: ns1.first-ns.de
rname: jola.cfd-online.com
serial: 1729779431
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: cfd-online.com
class: IN
ttl: 2021
type: MX
pri: 10
target: mail.cfd-online.com

Información TXT
host: cfd-online.com
class: IN
ttl: 2021
type: TXT
txt: v=spf1 +mx +a:cfd-online.com +ip4:148.251.250.42 -all
entries: Array