Registro DMARC
v=DMARC1; p=quarantine; ruf=mailto:sistemas@institutoandremichelin.edu.co;

Registro IPv4
host: institutoandremichelin.edu.co
class: IN
ttl: 14400
type: A
ip: 190.8.176.111

Servidores DNS Principal (mname) y Secundario (rname)
host: institutoandremichelin.edu.co
class: IN
ttl: 7461
type: SOA
mname: ns1.colombiahosting.com
rname: alexander.colombiahosting.com.co
serial: 2025050300
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: institutoandremichelin.edu.co
class: IN
ttl: 261
type: MX
pri: 0
target: institutoandremichelin.edu.co

Información TXT
host: institutoandremichelin.edu.co
class: IN
ttl: 261
type: TXT
txt: v=spf1 include:_spf.colhost.com include:md02.com -all
entries: Array