Registro DMARC
v=DMARC1; p=none; rua=mailto:ana@dplusdental.com

Registro IPv4
host: dplusdental.com
class: IN
ttl: 3600
type: A
ip: 194.164.164.40

Servidores DNS Principal (mname) y Secundario (rname)
host: dplusdental.com
class: IN
ttl: 86400
type: SOA
mname: ns1068.ui-dns.org
rname: hostmaster.1und1.com
serial: 2017060118
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: dplusdental.com
class: IN
ttl: 3600
type: MX
pri: 10
target: dplusdental.com

Información TXT
host: dplusdental.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:194.164.164.40 ~all
entries: Array