Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: tdr.com.mx
class: IN
ttl: 900
type: SOA
mname: ns-1083.awsdns-07.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: tdr.com.mx
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: tdr.com.mx
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: tdr.com.mx
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: tdr.com.mx
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: tdr.com.mx
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Información TXT
host: tdr.com.mx
class: IN
ttl: 300
type: TXT
txt: mandrill_verify.Jq9UWWhtFBX60UoTkxaO0Q
entries: Array

Información TXT
host: tdr.com.mx
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:201.175.42.14 ip4:201.175.42.10 include:_spf.google.com include:spf.mandrillapp.com ~all
entries: Array