Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@fieldfocus.com

Registro IPv4
host: fieldfocus.com
class: IN
ttl: 90
type: A
ip: 104.130.140.144

Servidores DNS Principal (mname) y Secundario (rname)
host: fieldfocus.com
class: IN
ttl: 76769
type: SOA
mname: ns1093.ui-dns.biz
rname: hostmaster.1and1.com
serial: 2017102630
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: fieldfocus.com
class: IN
ttl: 3600
type: MX
pri: 20
target: mx2.emailsrvr.com

Servidor de Correo
host: fieldfocus.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.emailsrvr.com

Información TXT
host: fieldfocus.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:emailsrvr.com ~all
entries: Array