Registro DMARC
v=spf1 -all

Registro IPv4
host: txtbook.top
class: IN
ttl: 300
type: A
ip: 162.4.84.241

Servidores DNS Principal (mname) y Secundario (rname)
host: txtbook.top
class: IN
ttl: 300
type: SOA
mname: ns1.oh313.parklogic.com
rname: hostmaster.parklogic.com
serial: 1
refresh: 86400
retry: 7200
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: txtbook.top
class: IN
ttl: 300
type: MX
pri: 10
target: mx156.hostedmxserver.com

Información TXT
host: txtbook.top
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array