Registro DMARC
v=spf1 mx a ptr ip4:10.20.10.11/30 ~all

Registro IPv4
host: ongcc.com
class: IN
ttl: 7200
type: A
ip: 98.191.208.39

Servidores DNS Principal (mname) y Secundario (rname)
host: ongcc.com
class: IN
ttl: 7200
type: SOA
mname: NS45.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 115021204
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ongcc.com
class: IN
ttl: 7200
type: MX
pri: 10
target: email.ongcc.com

Información TXT
host: ongcc.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 mx a ptr ip4:10.20.10.11/30 ~all
entries: Array