Registro DMARC
v=DMARC1; p=quarantine;

Registro IPv4
host: rfrholding.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.128

Servidores DNS Principal (mname) y Secundario (rname)
host: rfrholding.com
class: IN
ttl: 7200
type: SOA
mname: NS91.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126011621
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: rfrholding.com
class: IN
ttl: 3600
type: MX
pri: 10
target: rfrholding-com.mail.protection.outlook.com

Información TXT
host: rfrholding.com
class: IN
ttl: 3600
type: TXT
txt: 0ed1fe018a15bb9bdfea8b43f9a72d9a
entries: Array

Información TXT
host: rfrholding.com
class: IN
ttl: 3600
type: TXT
txt: MNg2lOuc+QTNKqdOJL34/c7pXTymybjI50hP90bZcDCG89H6zujYt036aZCBltY7c07potBpTxCrupH81RiOOw==
entries: Array

Información TXT
host: rfrholding.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms77522558
entries: Array

Información TXT
host: rfrholding.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +a +mx include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:servers.mcsv.net ~all
entries: Array