Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: Altanet.com
class: IN
ttl: 300
type: SOA
mname: ns1.systemdns.com
rname: hostmaster.systemdns.com
serial: 1739616179
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 60

Servidor de Correo
host: Altanet.com
class: IN
ttl: 300
type: MX
pri: 0
target: mx.altanet.com.cust.hostedemail.com

Información TXT
host: Altanet.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.hostedemail.com ~all
entries: Array

Información TXT
host: Altanet.com
class: IN
ttl: 300
type: TXT
txt: key1.altanet.com.dkim.hostedemail.com
entries: Array

Información TXT
host: Altanet.com
class: IN
ttl: 300
type: TXT
txt: key2.altanet.com.dkim.hostedemail.com
entries: Array