Servidores DNS Principal (mname) y Secundario (rname)
host: placeimg.com
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1727961828
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: placeimg.com
class: IN
ttl: 90
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: placeimg.com
class: IN
ttl: 90
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: placeimg.com
class: IN
ttl: 90
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: placeimg.com
class: IN
ttl: 90
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: placeimg.com
class: IN
ttl: 90
type: MX
pri: 5
target: alt1.aspmx.l.google.com