Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:egreenfield@121send.com

Registro IPv4
host: 121send.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: 121send.com
class: IN
ttl: 7200
type: SOA
mname: NS21.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124053005
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: 121send.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx002.netsol.xion.oxcs.net

Servidor de Correo
host: 121send.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx003.netsol.xion.oxcs.net

Servidor de Correo
host: 121send.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx004.netsol.xion.oxcs.net

Servidor de Correo
host: 121send.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx001.netsol.xion.oxcs.net

Información TXT
host: 121send.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
entries: Array