Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: internetusers.com
class: IN
ttl: 3600
type: A
ip: 74.208.236.150

Servidores DNS Principal (mname) y Secundario (rname)
host: internetusers.com
class: IN
ttl: 21600
type: SOA
mname: ns41.1and1.com
rname: hostmaster.1and1.com
serial: 2017062616
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: internetusers.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx00.1and1.com

Servidor de Correo
host: internetusers.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx01.1and1.com

Información TXT
host: internetusers.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.mlsend.com include:_spf.perfora.net include:_spf.kundenserver.de include:amazonses.com ~all
entries: Array

Información TXT
host: internetusers.com
class: IN
ttl: 3600
type: TXT
txt: mailerlite-domain-verification=5871ff094427c5f534d53d277136f911b43e1d2b
entries: Array