Registro DMARC
v=DMARC1; p=reject; sp=none; adkim=r; aspf=r; pct=0; rua=mailto:txt@sinspam.com; ruf=mailto:txt@sinspam.com; fo=1

Registro IPv4
host: cent40.edu.ar
class: IN
ttl: 11494
type: A
ip: 181.225.136.110

Servidores DNS Principal (mname) y Secundario (rname)
host: cent40.edu.ar
class: IN
ttl: 11494
type: SOA
mname: ns1.mesi.com.ar
rname: soporte.mesi.com.ar
serial: 1787503230
refresh: 3600
retry: 14400
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: cent40.edu.ar
class: IN
ttl: 11494
type: MX
pri: 10
target: am130.mesi.com.ar

Información TXT
host: cent40.edu.ar
class: IN
ttl: 11494
type: TXT
txt: v=spf1 ip4:64.95.245.0/24 ip4:69.25.11.0/24 ip4:138.36.16.0/22 ip4:181.225.136.0/22 mx a ~all
entries: Array