Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:re+rvkzowujkpx@dmarc.postmarkapp.com,mailto:dmarc-reports@smashwords.com; sp=none; aspf=r;

Registro IPv4
host: smashwords.com
class: IN
ttl: 300
type: A
ip: 23.253.20.116

Servidores DNS Principal (mname) y Secundario (rname)
host: smashwords.com
class: IN
ttl: 900
type: SOA
mname: ns-1258.awsdns-29.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 10
target: aspmx4.googlemail.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 10
target: aspmx5.googlemail.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: smashwords.com
class: IN
ttl: 38766
type: MX
pri: 10
target: aspmx3.googlemail.com

Información TXT
host: smashwords.com
class: IN
ttl: 300
type: TXT
txt: tinfoil-site-verification: 69371a745d4de93947d01f46263a3cc4d9aad6ef=fd2fb04779b7f029c18d93a46878fbd108cbea84
entries: Array

Información TXT
host: smashwords.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=Cchf9_HnHTkJJcpzqO9xZS_SI2oOVFQEDYlcN2ZGAaA
entries: Array

Información TXT
host: smashwords.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mailgun.org include:_spf.google.com -all
entries: Array