Registro DMARC
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: ltu.edu
class: IN
ttl: 3600
type: A
ip: 74.235.42.172

Servidores DNS Principal (mname) y Secundario (rname)
host: ltu.edu
class: IN
ttl: 3600
type: SOA
mname: ns1.ltu.edu
rname: SYSTEM.ltu.edu
serial: 2024040207
refresh: 21600
retry: 7200
expire: 12096009
minimum-ttl: 86400

Servidor de Correo
host: ltu.edu
class: IN
ttl: 3600
type: MX
pri: 10
target: ALT3.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: ltu.edu
class: IN
ttl: 3600
type: MX
pri: 5
target: ALT1.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: ltu.edu
class: IN
ttl: 3600
type: MX
pri: 5
target: ALT2.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: ltu.edu
class: IN
ttl: 3600
type: MX
pri: 1
target: ASPMX.L.GOOGLE.COM

Servidor de Correo
host: ltu.edu
class: IN
ttl: 3600
type: MX
pri: 10
target: ALT4.ASPMX.L.GOOGLE.COM

Información TXT
host: ltu.edu
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a:mta.ltu.edu a:mta-ext.ltu.edu include:_spf.google.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ~all
entries: Array