Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@cck.rnu.tn; ruf=mailto:dmarc-rapport@cck.rnu.tn; sp=quarantine

Registro IPv4
host: rnrt.tn
class: IN
ttl: 14273
type: A
ip: 164.160.2.61

Servidores DNS Principal (mname) y Secundario (rname)
host: rnrt.tn
class: IN
ttl: 79074
type: SOA
mname: ns1.cck.rnu.tn
rname: hostmaster.rnrt.tn
serial: 1781405169
refresh: 3600
retry: 900
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: rnrt.tn
class: IN
ttl: 14274
type: MX
pri: 10
target: mx1.rnu.tn

Servidor de Correo
host: rnrt.tn
class: IN
ttl: 14274
type: MX
pri: 10
target: mx2.rnu.tn

Servidor de Correo
host: rnrt.tn
class: IN
ttl: 14274
type: MX
pri: 10
target: mx3.rnu.tn

Información TXT
host: rnrt.tn
class: IN
ttl: 14274
type: TXT
txt: v=spf1 include:_author.cck.rnu.tn include:spf.cloud.vadesecure.com ~all
entries: Array