Registro DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:re+we678og77km@dmarc.postmarkapp.com; sp=quarantine; aspf=r;

Registro IPv4
host: book.app
class: IN
ttl: 300
type: A
ip: 35.71.171.174

Registro IPv4
host: book.app
class: IN
ttl: 300
type: A
ip: 166.117.117.82

Servidores DNS Principal (mname) y Secundario (rname)
host: book.app
class: IN
ttl: 900
type: SOA
mname: ns-1654.awsdns-14.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: book.app
class: IN
ttl: 300
type: MX
pri: 10
target: inbound.postmarkapp.com

Información TXT
host: book.app
class: IN
ttl: 90
type: TXT
txt: google-site-verification=uBaV15XEbs17EapP9d1UYJoojPCF1y9DeouTcG8mHiA
entries: Array

Información TXT
host: book.app
class: IN
ttl: 90
type: TXT
txt: facebook-domain-verification=qu35jfxhi9a952b7rzp9ddkw39sf2x
entries: Array

Información TXT
host: book.app
class: IN
ttl: 90
type: TXT
txt: v=spf1 a mx include:spf.mtasv.net ~all
entries: Array