Registro DMARC
v=spf1 a:dns.pierssi.com ~all

Registro IPv4
host: pierssi.com
class: IN
ttl: 3600
type: A
ip: 81.28.99.225

Servidores DNS Principal (mname) y Secundario (rname)
host: pierssi.com
class: IN
ttl: 3600
type: SOA
mname: ns-876.awsdns-45.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: pierssi.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.pierssi.com

Información TXT
host: pierssi.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.pierssi.com ~all
entries: Array