Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: fu.edu.sd
class: IN
ttl: 14400
type: A
ip: 101.99.74.227

Servidores DNS Principal (mname) y Secundario (rname)
host: fu.edu.sd
class: IN
ttl: 21600
type: SOA
mname: ns1.sigmadns.net
rname: sh\.hosting.247livesupport.biz
serial: 2025111001
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: fu.edu.sd
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.fu.edu.sd

Información TXT
host: fu.edu.sd
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +mx +ip4:111.90.144.171 +include:spf.mailsentinel.net +ip4:101.99.75.0/24 +ip4:111.90.139.0/24 +include:mailsentinel.net ~all
entries: Array