Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@zintro.com; adkim=r; aspf=r;

Registro IPv4
host: zintro.com
class: IN
ttl: 90
type: A
ip: 198.49.23.144

Registro IPv4
host: zintro.com
class: IN
ttl: 90
type: A
ip: 198.185.159.144

Registro IPv4
host: zintro.com
class: IN
ttl: 90
type: A
ip: 198.185.159.145

Registro IPv4
host: zintro.com
class: IN
ttl: 90
type: A
ip: 198.49.23.145

Servidores DNS Principal (mname) y Secundario (rname)
host: zintro.com
class: IN
ttl: 900
type: SOA
mname: ns-428.awsdns-53.com
rname: slewtan.zintro.net
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: zintro.com
class: IN
ttl: 3600
type: MX
pri: 50
target: alt3.aspmx.l.google.com

Servidor de Correo
host: zintro.com
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx.l.google.com

Servidor de Correo
host: zintro.com
class: IN
ttl: 3600
type: MX
pri: 20
target: alt1.aspmx.l.google.com

Servidor de Correo
host: zintro.com
class: IN
ttl: 3600
type: MX
pri: 20
target: alt2.aspmx.l.google.com

Servidor de Correo
host: zintro.com
class: IN
ttl: 3600
type: MX
pri: 50
target: alt4.aspmx.l.google.com

Información TXT
host: zintro.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:_spf.mailersend.net include:spf.mandrillapp.com include:_spf.google.com include:45821491.spf04.hubspotemail.net include:mailgun.org mx a ~all
entries: Array