Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: colegiodeoptometristas.com
class: IN
ttl: 14400
type: A
ip: 179.48.251.211

Servidores DNS Principal (mname) y Secundario (rname)
host: colegiodeoptometristas.com
class: IN
ttl: 21600
type: SOA
mname: ns.admintekcr.net
rname: servers.admintekcr.net
serial: 2023020902
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: colegiodeoptometristas.com
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.colegiodeoptometristas.com

Información TXT
host: colegiodeoptometristas.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 a mx -all
entries: Array