Registro DMARC
v=DMARC1; p=none; rua=mailto:quanlywebsite@oisp.edu.vn

Registro IPv4
host: oisp.edu.vn
class: IN
ttl: 3600
type: A
ip: 103.90.220.204

Servidores DNS Principal (mname) y Secundario (rname)
host: oisp.edu.vn
class: IN
ttl: 3600
type: SOA
mname: ns1.matbao.vn
rname: admin.matbao.com
serial: 2024031208
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

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

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

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

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

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

Información TXT
host: oisp.edu.vn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array