Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: thinkgrc.com
class: IN
ttl: 90
type: A
ip: 216.24.57.18

Registro IPv4
host: thinkgrc.com
class: IN
ttl: 90
type: A
ip: 216.24.57.16

Servidores DNS Principal (mname) y Secundario (rname)
host: thinkgrc.com
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1789669840
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: thinkgrc.com
class: IN
ttl: 1799
type: MX
pri: 10
target: mx.zoho.eu

Servidor de Correo
host: thinkgrc.com
class: IN
ttl: 1799
type: MX
pri: 50
target: mx3.zoho.eu

Servidor de Correo
host: thinkgrc.com
class: IN
ttl: 1799
type: MX
pri: 20
target: mx2.zoho.eu

Información TXT
host: thinkgrc.com
class: IN
ttl: 1799
type: TXT
txt: v=spf1 include:zohomail.eu ~all
entries: Array

Información TXT
host: thinkgrc.com
class: IN
ttl: 1799
type: TXT
txt: zoho-verification=zb31539459.zmverify.zoho.eu
entries: Array