Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:re+nasjic4wtbd@dmarc.postmarkapp.com; sp=quarantine; aspf=r;

Registro IPv4
host: dropmark.com
class: IN
ttl: 90
type: A
ip: 18.172.213.84

Registro IPv4
host: dropmark.com
class: IN
ttl: 90
type: A
ip: 18.172.213.6

Registro IPv4
host: dropmark.com
class: IN
ttl: 90
type: A
ip: 18.172.213.48

Registro IPv4
host: dropmark.com
class: IN
ttl: 90
type: A
ip: 18.172.213.43

Servidores DNS Principal (mname) y Secundario (rname)
host: dropmark.com
class: IN
ttl: 900
type: SOA
mname: ns-1036.awsdns-01.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: dropmark.com
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: dropmark.com
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: dropmark.com
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: dropmark.com
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: dropmark.com
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Información TXT
host: dropmark.com
class: IN
ttl: 90
type: TXT
txt:  include:cmail1.com include:cmail2.com include:cmail3.com include:cmail4.com include:cmail5.com include:cmail6.com include:cmail7.com include:cmail8.com include:cmail9.com include:cmail10.com 
entries: Array

Información TXT
host: dropmark.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:_spf.google.com include:helpscoutemail.com include:mailgun.org include:stspg-customer.com include:_spf.createsend.com 
entries: Array

Información TXT
host: dropmark.com
class: IN
ttl: 90
type: TXT
txt: status-page-domain-verification=h39s1wr33zq2
entries: Array

Información TXT
host: dropmark.com
class: IN
ttl: 90
type: TXT
txt: google-site-verification=LtMJLDUCpXQ2kIVXsGGRfLfPdIMHZvD3bS9YTY5_xBs
entries: Array

Información TXT
host: dropmark.com
class: IN
ttl: 90
type: TXT
txt: include:cmail11.com include:cmail12.com include:cmail13.com include:cmail14.com include:cmail15.com include:cmail16.com include:cmail17.com include:cmail18.com include:cmail19.com include:cmail20.com -all
entries: Array