Registro DMARC
v=spf1 mx include:spfnodes1.cntait.org include:spfnodes2.cntait.org exp=spffail.cntait.org -all

Registro IPv4
host: cntait.org
class: IN
ttl: 12018
type: A
ip: 46.105.88.228

Servidores DNS Principal (mname) y Secundario (rname)
host: cntait.org
class: IN
ttl: 4818
type: SOA
mname: ns1.acierto.net
rname: postmaster.acierto.net
serial: 2026092701
refresh: 14400
retry: 3600
expire: 2419200
minimum-ttl: 14400

Servidor de Correo
host: cntait.org
class: IN
ttl: 33618
type: MX
pri: 10
target: smtp.cntait.org

Información TXT
host: cntait.org
class: IN
ttl: 33618
type: TXT
txt: v=spf1 mx include:spfnodes1.cntait.org include:spfnodes2.cntait.org exp=spffail.cntait.org -all
entries: Array